Answer:the independent variable is the variable that won’t be artificially changed
Explanation:
for example, if you experiment about how tall a plant will grow by using different solutions, the dependent variable the the solution, the independent variable is the plant height
How is a comet’s tail formed, and what determines its direction?
Answer:
it's formed from dust and it heading towords the sun
Explanation:
How do animal cells get their energy
Answer:
All the living cells in an animal need energy.
Explanation:
Animal cells all rely on cellular respiration, a process that releases energy by combining glucose and oxygen.
Ohm’s law describes the relationship between which quantities?
voltage, resistance, and ohms
resistance, current, and amperes
current, voltage, and resistance
amperes, ohms, and current
Answer:
voltage, current, and resistance
Explanation:
Ohm's law states the relationship between voltage, current and resistance. As per this law, the voltage in a circuit is the product of current and resistance.
What is Ohm's law ?Ohm's Law is a fundamental principle in electrical engineering and physics that describes the relationship between voltage (V), current (I), and resistance (R) in an electrical circuit.
The law states that the current flowing through a conductor between two points is directly proportional to the voltage across the two points, and inversely proportional to the resistance between them. In mathematical terms, Ohm's Law can be written as:
V = I * R
where V is the voltage across the circuit, I is the current flowing through the circuit, and R is the resistance of the circuit. This law applies to all electrical circuits, including both DC (direct current) and AC (alternating current) circuits. Ohm's Law is a crucial concept in electrical engineering and is used to design and analyze electrical circuits.
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Please help I really need help on this question!!!
Answer:
Conduction
Explanation:
convection- not related, as it is hot air rising and cold air falling, which isn't happening.
Subduction- that has to do with the Earth's plates moving
Radiation- doesn't have to do with heated substances.
10)“If Jupiter was not there, there could be more terrestrial planets”. Explain how
Answer:
There would be minor changes in the planets' orbits about the Sun, but very little else. However, Jupiter does a great job of shepherding and absorbing small objects in the Solar System. With Jupiter gone, the main effect on Earth would be an increase in the rate of impacts from asteroids and other space flotsam.
Explanation:
Hope this helped!!
Why would chopping up starfish and throwing them overboard not be a good plan when trying to get rid of starfish on a fishing boat ?
Answer:
If you cut a starfish radially (cut passing through the centre of the body) in five parts, every part will regrow into a new fully developed star fish.
Cells in every part of a fish's body need nutrients. Which two statemen:
explain how a fish's organ systems provide its cells with nutrients?
A. The nervous system removes nutrients from various parts of the
body.
D B. The respiratory system brings nutrients into the body.
D C. The digestive system breaks down food into nutrients.
0 D. The circulatory system carries nutrients to various parts of the
DoG
Answer:the digestive system breaks down food into nutrient
Explanation:
Answer: the circulatory system carries nutrients to various parts of the.
The digestive system breaks down food into nutrients
Explanation: because of the digestive system breaking down nutrients the circulatory system circulates those nutrients around
Blood Blood has four main components:Plasma is a straw-colored fluid. It is about 90 percent water and 10 percent dissolved gases, salts, nutrients, enzymes, hormones, waste products, plasma proteins, cholesterol, and other important compounds. Parts of plasma help control body temperature, transport substances, and fight infection. Plasma proteins are involved in blood clotting.Red blood cells transport oxygen. Blood gets its red color from the iron in hemoglobin, a protein that binds oxygen in the lungs and releases it in the capillaries.White blood cells guard against infection, fight parasites, and attack bacteria.Platelets are cell fragments involved in blood clotting.
For Questions 1-5, write True if the statement is true. If the statement is false, change the underlined word or words to make the statement true.
___________2. The human body contains 8-10 liters of blood.
Answer:
True The human body contains 8-10 liters of blood.
The correct way to calculate population density is by dividing the total population by the land area.
A. True
B. False
Answer: True
Explanation:
To calculate the population density, you will divide the population by the size of the area.
Formula=Population Density = Number of People/Land Area.
The number of inhabitants, or the population divided by the area's size, determines the population density. Many creatures' distribution, growth, and migration can all be described using population density.
What is the population density?Population density is the number of individuals of a species in a specific geographic area.
It is computed by dividing the population, or the total number of people in a population, by the total amount of space, in this example, the land area.
Demographic data can be quantified and examined in relation to infrastructure, ecosystems, and human health using population density data.
High population densities are typically found in lowland plains, flat river basins and deltas, and volcanic regions with good soil.
Low population densities are typically seen in mountainous regions with steep slopes and poor soil.
Therefore, it is true to calculate population density is by dividing the total population by the land area.
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Natural disasters worksheet / pls help
6.12D What is one way plants and animals are different
Answer:
Explanation:
Plants are green. live using sunlight, carbon dioxide, and nutrients, making their own food through the process of photosynthesis. In contrast, animals live by eating other organisms (plants, animals, bacteria, or even bits and pieces of dead organisms).
Answer:
Plants are green. They live using sunlight, carbon dioxide, and nutrients, making their own food through the process of photosynthesis. In contrast, animals live by eating other organisms
Explanation:
hope this helps
A hurricane forms over the warm waters of the Atlantic Ocean. Mr. Gaines class determined that the pressure in the center of the hurricane is decreasing. What doe this indicate about the storm? 1. the storm is shifting from north to south 2. the storm is getting smaller as clouds begin to clear 3. the storm is getting stronger as wind increase 4. the storm is getting weaker as perception decreas
Hurricanes form when warm, moist air rises over the water. Cooler air replaces the rising air. Mr. Gaines's class identified that the pressure in the center of the hurricane is decreasing which indicates the storm is getting stronger as the wind increases, i.e., option 3.
What is a Hurricane?A hurricane is a powerful cyclone that is tropical and forms in the Atlantic or Northeast Pacific Oceans.
Surface atmospheric pressure is fairly low in the center of a hurricane. An eye forms in the center of the storm system as it rotates faster and faster. With very low air pressure, it is very calm and clear in the eye.
Thus, the correct option is 3.
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Alternative rna splicing has revealed inaccuracies in the one gene-one polypeptide hypothesis. Why?.
Answer:
transcription
Explanation:
transcription of the same gene can lead to the production of different mRNAs and there fore deferent protein
Helppppppppp pleaseeee
Describe what occurs during the process of seed development.
Answer:
water is absorbed by the embryo, which results in the rehydration and expansion of the cells.
Explanation:
Q1: What systems form the structure of the human body?
Answer:
The systems that form structure of human body is Skeletal system which most maintain the shape of the body.
A scientist has isolated a gene coding for the defensin protein found in spinach, which gives defense against microbial infections. The scientist inserts that gene into a virus.
Which step must the scientist then take to transfer the gene to orange trees to protect them from pathogens?
A.The modified virus must be introduced to the orange trees' cells.
B.The modified virus must be introduced into the soil.
C.The orange tree genome must be rewritten to match the virus's DNA.
D.The orange tree's DNA must be removed from its cells.
The steps that must be taken by the scientist to transfer the gene to orange trees to protect them from pathogens is the modified virus must be introduced to the orange trees' cells.
What do you mean by Pathogens?Pathogens may be defined as those microorganisms which are capable of causing diseases in other organisms.
When a gene of defensin protein is introduced into the virus, it also becomes protected against microbial infection.
This modified virus is then injected into the genome of the orange tree which in result leads to highly tolerable to microbial infections.
Therefore, the steps that must be taken by the scientist to transfer the gene to orange trees to protect them from pathogens is the modified virus must be introduced to the orange trees' cells.
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A group of scientists build a special enclosure in the local bay to separate their experiment from the rest of the ocean. They wish to determine whether their experiment is a closed system by using a colored dye that is placed in the water. What result would best indicate that their experiment is a closed system, and why?
Answer:
Well, If the dye is found outside of the system then it would mean that there was an opening somewhere making it an open system. If there was not dye found in the surrounding areas then that means its a closed system.
Note: Glad I could help!
If the dye is found outside of the system then it would mean that there was an opening somewhere making it an open system. If there was not dye found in the surrounding areas then that means its a closed system.
What are the differences between open and closed system?An open system can exchange both energy and matter with its surroundings. The stovetop example would be an open system, because heat and water vapor can be lost to the air. A closed system, on the other hand, can exchange only energy with its surroundings, not matter.
One might describe a thermos as a closed system because it only allows energy to enter and leave it; but not matter (because it won't spill).
Open systems in thermodynamics allow matter as well as energy to enter and leave. For example this coffee cup is an open system when compared to the thermos.
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What role do you think the minerals that make up a rock and the way a rock forms play in the appearance of rocks?
Why do many inland waterways have speed limits for boats?
Answer: Its because of the water waves and it matters which boat should be used for the lake or island and the average.
Explanation:
!PLEASE HELP!
What is 160,000 in scientific notation
Thanks :)
Answer:
It is 1.6 × 10⁵
What types of light are not absorbed by humans
Answer:
ultraviolet, X-ray, and gamma-ray are some types of lights that are not absorbed by the human eye
Explanation:
Tree frogs use leaves of the trees as protection and camouflage without
helping or harming the tree.
Answer:
What exactly is your question?
Explanation:
Identify the nonspecific immune response described. is characterized by heat, redness, swelling, and pain. is the 1st line of defense that prevents pathogens from entering body. causes elevated internal temperatures making a less hospitable environment for pathogens. are white bloods cells that try to consume pathogen.
The nonspecific immune response that is characterized by heat, redness, swelling and pain is the first line of defense that prevents pathogens from entering the body.
Main signs of inflammationThe inflammatory process leads the body to produce five classic signs:
heatflushing (redness)tumor (swelling, edema)pain and loss of function.Heat and flushing are caused by the dilation of the vessels and the increase in local blood flow leads to a reddish color.
With this information, we can conclude that the nonspecific immune response that is characterized by heat, redness, swelling and pain is the first line of defense that prevents pathogens from entering the body.
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Most appalachian mountaintops are somewhat rounded and without many vertical cliffs. what most likely caused the shape of these mountaintops?
Glacial and hydric erosions are the most likely cause of these mountain tops' shape. Both of them create soft and rounded shapes on the rocks.
What is glacial erosion?
Glacial erosion is caused by the downward movement of glacial ice blocks, which erode the underlying rock surface. This erosion causes water and particles movement.
What is hydric érosion?Hydric erosion is caused by rainwater and water flows, which transport rock particles and deposit them at lower altitudes.
Also, hydric erosion can be caused by the movement of the waves.
Both glacial and hydric erosions create soft and rounded shapes on the rocks.
The Appalachian relief is characterized by their rounded tops and aligned mountains separated by depressions.
Glacial and hydric erosions are the most likely cause of these mountain tops' shape.
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Explain the relationship between correlation and causation.
Answer:
Correlation indicates that the two numbers are related in some way.
Causation requires more proof that there is no lurking variable that creates the relationship.
Explanation:
Blood smears are used in the diagnosis of: Group of answer choices toxoplasmosis. malaria. toxoplasmosis and malaria. African sleeping sickness and malaria. No answer text provided. African sleeping sickness.
Blood smears are used in the diagnosis of malaria and African sleeping sickness.
What are blood smears?Blood smears are stained thin layers of blood on microscope slides. They are usually prepared for examination under the microscope.
Blood smears are useful in checking the presence of parasites in blood samples.
Malaria is caused by a protozoa parasite under the genus Plasmodium while African sleeping sickness is caused by Trypanosoma brucei.
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plss help
Compare and contrast how the following organisms reproduce: humans, flatworms, and ferns.
Human reproduce by two parent, fern by spores and flatworms by both one and two parent reproduction.
How humans, flatworms, and ferns reproduce?Humans reproduce by mating of male and female. This is called two parent reproduction while on the other hand, flatworms reproduce both one parent and two parent reproduction.
Ferns do not produce flower and reproduce from spores. These spores are like seeds which germinate into a new fern plant.
So we can conclude that human reproduce by two parent, fern by spores and flatworms by both one and two parent reproduction.
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Rocks are __________________ and washed away by __________________ and __________________. Accumulated ______________________ is _____________________ together to form ____________________________________________.
Answer:
Rocks are eroded and washed away by wind and water . Accumulated sediment is pressed together to form sedimentary rock.
Explanation:
hope it helps! :>
Why have frequent small controlled-burn wildfires not helped to maintain chaparral ecosystems?
A.Seeds of chaparral shrubs need a large accumulation of leaf litter in order to sprout.
B.Fire destroys the seeds of many types of chaparral shrubs.
C.The heat from forest fires destroys the roots of chaparral plants.
D.Burnt ground encourages the growth of grasses, which compete with shrubs for nutrients.
Burnt ground encourages the growth of grasses, which compete with shrubs for nutrients.i.e, option D.
What is chaparral ecosystem?
Chaparral, scrubland plant communities composed of broad-leaved evergreen shrubs, bushes, and small trees usually less than 2.5 metres (about 8 feet) tall—the characteristic vegetation of coastal and inland mountain areas of southwestern North America.
Chaparral vegetation is well adapted to fire and regenerates readily after fire, either through sprouting from stem bases (lignotubers) or from soil-stored seed.
Although mature chaparral consists mainly of shrubs, herbaceous plants are the dominant vegetation during the first few years after fire.
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