What kind of rays are produced when a metal, such as tungsten, is bombarded with
electrons moving with very high velocities?
a. x-rays
b. gamma rays
c. cathode rays
d. infrared rays

Answers

Answer 1

Answer: x-rays

Explanation: When the electrons from the filament strike the tungsten target, x-rays are created photons are created if they either hit a target nucleus directly (rare) or their path takes them close to the nucleus. If a high- speed electron hits the nucleus of a target atom, all its kinetic energy is transformed into a single x-ray photon.

Answer 2

Answer:

X-rays

Explanation:


Related Questions

What will happen to plants that are kept in the dark?

Answers

Answer:

they die

Explanation:

They won’t get sunlight so they won’t grow they will end out dying because plants need sunlight to survive.

Which of the following processes must occur for a forest ecosystem to recover after a wildlife? a)development b) evolution c)succession d) mutualism

Answers

Answer:

c) succession

Explanation:

Succession, in Ecology, refers to the series of changes that occurs to the structure of a biological community. Succession is of two types namely: primary and secondary succession. Primary succession is the colonization of an area for the first time by organisms called PIONEER SPECIES.

Secondary succession involves the recolonization of an area that has already been affected by environmental disturbances like hurricane, earthquake, wildfire etc. The already present SOIL makes it possible for certain organisms to colonize the affected area.

Therefore, succession (specifically secondary succession) is what must occur for a forest ecosystem to recover after a wildlife.

The series of steps in which a large fish eats a smaller fish that has eaten algae is a

Answers

Answer: It is a food chain

Explanation: A series of steps including species consuming another in a direct chain is defined as a food chain

What are "Chloroplasts"?

a.an organelle of some eukaryotic cells in which photosynthesis occurs, using the energy of light to make organic compounds from carbon dioxide and water

b.the substance inside a cell, prokaryotic or eukaryotic, including organelles, but
not including the nucleus of a eukaryotic cell

c.membrane-bound organelles in eukaryotic cells in which cellular respiration
takes place, using oxygen to break down glucose to carbon dioxide and water

d.a cell organelle that is essential to cell functions including reproduction, contains
the cell's chromosomes, and is enclosed by a membrane

Answers

Answer:

cloraplast is what makes the plant green

The answer is A because chloroplasts is an organelle of some eukaryotic cells where photosynthesis occurs

help me I will give anyone who answers it brainiest
What organic substance are both of
these enzymes
digesting?

Answers

Answer:

Amylase breaks: down starches and carbohydrates into sugars.

Protease breaks: down proteins into amino acids.

Explanation:

What is an essential nutrient?​

Answers

Answer:

Substance that must be obtained from the diet because the body cannot make it in sufficient quantity to meet its needs.

Explanation:

Answer:

Essential nutrient: Substance that must be obtained from the diet because the body cannot make it in sufficient quantity to meet its needs.

Hope this helps! Please mark Brainliest!

Describe the term "semi-permeable" (or "selectively-permeable) membrane. Why is it important? (giving brainliest to the first person lol)

Answers

Answer:

Cells need a selectively permeable barrier sometimes called a semi-permeable membrane because some items need to be allowed to come in while others need to be let out of the cell.

Explanation:

Semi-permeable membranes allow the cell to keep a isotonic state. The amount of water is the same inside as outside the cell.

2. When diffusion has reached equilibrium, we say that
the net movement of the molecules is zero. Does this
mean these molecules below would stop moving?

Answers

Answer:

See Below.

Explanation:

The key word here is net. The net movement has reached zero when a system is in equilibrium but there are still motion's going back and forth due to statistics and just random brownian motion.

Think of it this way, if there are 100 people walking forwards in a crowd but 2 are moving against the crowd, the net movement is still forwards because the bulk of people are going in that direction. However, there are still 2 people moving against.

Same here, if we are talking about a diffusion, let's say in the case of osmosis, if most of the solute is moving across a membrane then we'd say its net direction is that way but that doesn't mean that there aren't processes happening in the other direction. Water molecules in osmosis mostly diffuse, chemically speaking (because you can say this biologically in a different way), from the probability of water molecules colliding with each other and passing the membrane so even if there is a net movement in a certain way their random motion can make them go to the other side just as well. If the fact that motion stops at equilibrium were the case a lot of systems, both chemical and biological, would not exist as we know it.

Think net = bulk NOT total or entire.

When the net movement is Zero at equilibrium ; An insignificant number of molecules are still moving below

When diffusion reaches equilibrium most of the molecules moving from the areas of higher concentration  to areas of lower concentration will stop moving, but a negligible number of molecules will continue to move due to  random Brownian motion.

When we say the net movement of molecules at equilibrium is zero it is because majority of the molecules have stopped moving and not all the molecules therefore there will be an insignificant movements of molecules still occuring.

Hence we can conclude that When the net movement is Zero at equilibrium ; An insignificant number of molecules are still moving below

.

Learn more : https://brainly.com/question/18980315

Aerobic respiration takes place in the mitochondria because?

Answers

Answer:

Glycolysis takes place in the (g)cytoplasm. Two molecules of ATP and two molecules of (h)NADH are formed for every glucose molecules that is broken down. (i) Aerobic respiration takes place in the (j) mitochondria. It is aerobic because the process requires (k)oxygen.

Explanation:

Answer:

Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions.

Explanation:

Which word best describes the term vaccinate?

heal
cure
prevent
promote

Answers

Answer:

Prevent.

Explanation:

Prevent. Since vaccines are meant to prevent bad things from getting into your body

100 POINTS!!! Plz describe this (and don't answer this just for the points like actually help me this is 60% of my grade) I couldn't find anything on the website so I came here.





Will reward brainliest.

Answers

Thank you for asking your question!Have any more questions? Just ask!

Answer:

Mitochondria:

An organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. Also known as the 'powerhouse of the cell.'

Cell wall:

A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism.

Nucleus:

The positively charged central core of an atom, consisting of protons and neutrons and containing nearly all of the cell's mass.

Golgi bodies:

The Golgi apparatus, also known as the Golgi complex, Golgi body, or simply the Golgi, is an organelle found in most eukaryotic cells. Part of the endomembrane system in the cytoplasm, it packages proteins into membrane-bound vesicles inside the cell before the vesicles are sent to their destination.

ER (Endoplasmic Reticulum):

A network of sac-like structures and tubes in the cytoplasm (gel-like fluid) of a cell. Proteins and other molecules move through the endoplasmic reticulum. The outer surface of the endoplasmic reticulum can be smooth or rough.

Cell Membrane:

The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell, and that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.

Ribosomes:

A sphere-shaped structure within the cytoplasm of a cell that is composed of RNA and protein and is the site of protein synthesis. Ribosomes are free in the cytoplasm and often attached to the membrane of the endoplasmic reticulum. Ribosomes link amino acids together in the order specified by the codons of messenger RNA molecules to form polypeptide chains.

Cytoplasm:

The cytoplasm provides a medium for the organelles to remain suspended. The cytoplasm acts as a buffer and protects the genetic material of the cell and also the cellular organelles from damage caused due to movement and collision with other cells. Cytoplasm is a thick solution that fills each cell and is enclosed by the cell membrane. It is mainly composed of water, salts, and proteins. In eukaryotic cells, the cytoplasm includes all of the material inside the cell and outside of the nucleus.

Hope this helps!

True or false earth is a single interconnected system :)

Answers

Answer:

True.

Explanation:

The earth system is itself an integrated system, but it can be subdivided into four main components, sub-systems or spheres: the geosphere, atmosphere, hydrosphere and biosphere. These components are also systems in their own right and they are tightly interconnected.

what things humans do in the flower garden to alter the abiotic elements of the ecosystem?

Answers

Humans often use pesticides to destroy undesirable organisms that live in flower gardens, such as insects, weeds, or fungi. The use of such chemical will reduce biodiversity. Humans also plant many of the same plants in gardens, which reduces biodiversity.

All of the following are nitrogenous bases of DNA, EXCEPT -
guanine.
adenine.
uracil.
thymine.

Answers

Answer:

adenine

Explanation:

Answer:

uracil

Explanation:

The 4 bases of DNA are adenine, guanine, thymine and cytosine.

11 12 13 14 15 16 17 18 19 20 Time Remaining 11:39 A restaurant advertises that it is environmentally friendly. It describes the solar panels it uses to generate electricity and the locally grown produce it serves. All the meals it offers are prepared over an open wood fire. Food is served on recycled copper plates, and drinks are served in recycled aluminum cups. Which correctly lists three renewable resources used by the restaurant?

Answers

Answer:

Sunlight, grown produce, and wood

Explanation:

The three renewable resources used by the restaurant are sunlight, grown produce, and wood.

Renewable resources are those resources that are naturally or otherwise replenished within a certain time period. The solar panels used to generate electricity makes use of the renewable energy of the sun. In the same vein, the grown produce and the wood used in preparing food by the restaurant are from plant biomass. The biomass is derived indirectly from the sun as well.

All other materials resources used by the restaurant are not renewable but might be recyclable.

Answer: C

Explanation: They are all Renewable resources

A characteristic used to describe a biome is often its distance north or south of the equator . This distance is the ________ of the biome. a. longitude Ob. climate Oc. latitude d. altitude

Answers

Is this biology or algebra?

Which statement describes a histogram?
A.It shows a line of best fit
B.It shows how an independent variable affects a dependent variable.
c.It shows a frequency distribution
D.It shows data as a proportion of a whole

Answers

Answer:

c

Explanation:

Nutrition involves those activities by which organisms

Answers

Answer:

-Obtain and process materials needed for other activities.

WILL GIVE BRAINLIEST! :) How do chlorofluorocarbons affect Earth's ozone layer?

Answers

Answer:

Once in the atmosphere, CFCs drift slowly upward to the stratosphere, where they are broken up by ultraviolet radiation, releasing chlorine atoms, which are able to destroy ozone molecules. ... When sunlight returns in the spring, the chlorine begins to destroy ozone.

Do offspring receive Chromosomes from their parent? explain

Answers

Answer:

Yes

Explanation:

Your “genes”, or genetics, are what make you who you are. Chromosomes determine what gender a person is and what they’re like (birth defects).

PLEAE HELP ME ASAP!! I need help

Answers

Answer:

3

i think

Explanation:

(7th grade question abt rocks...again)




A rock's texture gives a geologist clues about how a rock is formed. What can be inferred about the processes by which this rock formed?


A-The rock formed through the slow cooling of magma below ground.
B-The rock formed through the rapid cooling of lava above ground.
C-The rock formed through the processes of compaction and cementation.
D-The rock formed through the processes of pressure and heating

Answers

I think the answer is C.

Most fields that are irrigated year after year will eventually build up salt in the soil as water regularly evaporates and leaves some salt behind. One way farmers minimize this salt build up is to flood their fields every few years before planting. This flood water leaches out the salt in the soil. What advantages and disadvantages do you see in this approach?

Answers

Answer:

An advantage is that the salt will be washed out and a disadvantage is that it still leaves some salt behind

Explanation:

Irrigation is an agriculture practice which includes watering the cropland, this practice is advantageous as it washes the salt out of the soil however, some amount of salt still remains which affect the concentration of salts in soil.

What is irrigation?

Irrigation is the agricultural process which includes applying the controlled amounts of water to the land to assist the production of crops, as well as to grow the landscape plants and lawns in the agriculture lands. It may be known as watering in lawns. Agriculture which does not need irrigation but relies only up on the direct rainfall is referred to as rain-fed agriculture.

An advantage of the approach used in this case is that the salt will be washed out of the soil and a disadvantage of this approach is that it still leaves some salt behind in the soil which decreases the diffusion of water through roots due to increase in concentration of soil.

Learn more about Irrigation here:

https://brainly.com/question/22708021


#SPJ2

As lactose approaches the active site of lactase, as shown in the image, which of the following occurs first?

The lactose molecule is broken into glucose and galactose.
Lactase shifts to its lowest free energy level to allow lactose to enter the active site.
Lactose creates a microenvironment as it approaches lactase to promote binding.
Temporary bonding occurs between the active site and the substrate, causing a conformational change.

Answers

Answer:

There is no image attachment, however, this question can be answered based on general understanding of enzymes. The answer is:

Temporary bonding occurs between the active site and the substrate, causing a conformational change.

Explanation:

Enzymes are proteinous molecules that acts as catalyst in biochemical reactions by speeding up the rate of reactions. According to this question, lactase is an enzyme that acts on lactose sugar and breaks it down into its monomeric unit (glucose and galactose).

All enzymes possess an active site, with which they bind to their substrate. In this question, the lactose (substrate) approaches the active site of lactase (enzyme), what occurs first is that a temporary bonding occurs between the active site and the substrate, causing a conformational change in the shape of the enzyme.

If a cell is not ready to divide, it may "take a break" and enter the __________ Phase.

Answers

Answer:

The stage where it "takes a break" is called the interphase

Explanation:Trust me

Describe the steps of Meiosis I and Meiosis II.​

Answers

Answer:

Hello

Explanation:

Overview of the Stages of Meiosis  

Interphase. There are two stages or phases of meiosis: meiosis I and meiosis II. Before a dividing cell enters meiosis,...

Prophase I. Chromosomes condense and attach to the nuclear envelope. Synapsis occurs (a pair of homologous chromosomes...

Metaphase I. Tetrads align at the metaphase plate. Note that the centromeres of homologous...

Hope This Helps!!

if your fathers dominant gene was blond hair, but your mother's dominant gene was brown hair, what would the Childs hair color be?

Answers

Answer:

Brown Or a Hazel color because a lot of kids come out with brown/hazel hair so I'm pretty sure Brown Or Hazel color

Explanation:

Ok

Why would it be bad if Creatine Kinase leaked out of muscle cells?

Answers

Answer:

Because it would mean severe muscle damage.

Explanation:

is 4.62... rational or irrational ​

Answers

Answer: Yes 4.62 is very well a rational number.

Lucy is supposed to write down the lengths of 10 earthworms found near the playground at her school. She measures the earthworms’ lengths in millimeters, but she accidentally labels her data in centimeters.

Which best describes this error in data collection?

The data are inadequate.
The data are false.
The data are recorded incorrectly.
The data cannot be reproduced.

Answers

C - She recorded the data wrong. It might be B since technically the data is incorrect, but it is incorrect because she recorded it wrong.

hope that is helpful :)

Answer:

The answer is C.)

Explanation:

hope this helps have a great day.

i got this correct on my test. edge 2020

:)

Other Questions
help me josh takes 20 mins to weed 6 equal rows of vegetable plants in his garden what is his unit rate per hour for weeding these rows of his garden PLZZZZZZZ HEEEEELLLPPP Question 11 ptsA high school gym teacher records how much time each student requires to complete a one-mile run.This is an example of measuring a continuous variable. An online store sells 236 hats per month how many hats are sold in a year The M & P Pencil company that makes mechanical pencils expects to have two defective pencils for every 125 made. What is the number of defective pencils they will have in a batch of 4,375?_________CAN YOU GUYS PLEASE HELP ME OUT!!! Are endocytosis and exocytosis examples of passive transport or active transport? A family is purchasing 17 tickets for a downtown walking tour. Adult tickets are $10, child tickets are $7, and senior tickets are $8.50. The totalcost of the tickets is $141.50, and they are purchasing 2 more senior tickets than adult tickets.Create and solve a system of linear equations to represent this situation. Then select the true statement.. The solution to this system is nonviable because it results in a fractional number of tickets. B. The solution to this system is no viable because it results in a negative number of tickets.C. The solution to this system is viable.D. The solution to this system is nonviable because it results in a fractional amount of money. okay, so I know someone else asked for help on this and it said it was 280, but it was not correct on mine for some reason. So, someone please help.Eric traveled to three cities on a single highway. The distance from his original location to the first city was 100 miles more than the distance from the first city to the second city. The distance from the second city to the third city was 10 miles less than the distance from the first city to the second city. If the distance from his original location to the first city and the distance from the second city to the third city were the same, what was the total distance Eric traveled? Read this excerpt from Immigrant Kids, by Russell Freedman. Now the examinations began. First the immigrants were examined by two doctors of the United States Health Service. One doctor looked for physical and mental abnormalities. When a case aroused suspicion, the immigrant received a chalk mark on the right shoulder for further inspection: L for lameness, H for heart, X for mental defects, and so on. The second doctor watched for contagious and infectious diseases. He looked especially for infections of the scalp and at the eyelids for symptoms of trachoma, a blinding disease. Since trachoma caused more than half of all medical detentions, this doctor was greatly feared. He stood directly in the immigrant's path. With a swift movement, he would grab the immigrant's eyelid, pull it up, and peer beneath it. If all was well, the immigrant was passed on. Which detail best supports the idea that only immigrants with good health were allowed entrance into the United States? One doctor drew chalk marks on immigrants with health problems. The two doctors worked for the United States Health Service. An H mark on an immigrant meant he or she had heart problems. Trachoma is a blinding and very contagious eye disease. What is the value of x when solving the Equation 2x + 1 = -x + 4 Using the Algebra tiles What are some Integers that are not whole numbers? Please help its due tomorrow!! and its currently 8pm. I need this! I'll give you brainliest. An ion has unequal numbers of which two particles? A change in the way something reflects light; can indicate a chemicalchange please answer this fast thank you whats a ouji board ? TRUE or FALSE: The most central mystery of the Christian faith is the Trinity. The public is not yet able to purchase cars powered by hydrogen fuel cells because engineers have to determinhow the cars perform based on which scenario?on racetracks In Chapter 1 of The Hobbit, what is the outcome of Gandalf's first visit to Bilbo's house?A. Bilbo is angry and refuses to let Gandalf in for tea.B. Bilbo expresses excitement at being the burglar for the expedition.C. Gandalf decides Bilbo is a good choice for the expedition.D. Gandalf decides not to return to Bilbo's house for tea.I need an answer as soon as possible Find anequation for the perpendicular bisector of the line segment whose endpointse (-3, -8) and (5,-4).are Are there any numbers that are not included in the real number system?