1. Which statement is NOT true about chemical and physical changes?
A. Chemical and physical changes could produce precipitates.
B. Chemical changes produce new substances, but physical changes do not.
C. Physical changes use energy transferred as heat, but chemical changes do not.
D. Physical and chemical changes could require days for their effects to be noticeable.

Answers

Answer 1

Answer: A. Chemical and physical changes could produce precipitates.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             

Explanation:


Related Questions

why is it important that your goals should be time bound​

Answers

Answer:

Explanation:

Time-bound goals help provide a sense of urgency to the goal, a sense that it is important and needs to be completed. The uncertainty of business taints this ideal, however. so it is important that our goals should be time bound.

Which of the following are carcinogens that can possibly cause cancer?

(Choose all that apply)

A. alcohol use

B. asbestos

C. UV radiation from sunlight

D. tobacco use (both smoking and chewing tobacco)

Answers

Answer:

all of them apply

A, B, C, and D

Answer:

All of the above can cause cancer in humans.

Explanation:

Heavy alcohol use can lead to liver cancer.

Asbestos can cause cancerous mesothelioma in the lungs.

Overexposure to UV rays in sunlight can cause skin cancer.

Smoking can cause lung cancer and chewing tobacco can cause oral cancer.


In your explanation, include:
Identify organs of the urinary system.
Relate the organs with their
functions.
• The material this system uses to
maintain balance in the body.

Answers

Answer:

The kidney is an organ that is part of the urinary system.

Explanation:

The kidney's function is to filter out waste from your blood. It requires water and your blood to maintain balance in your body. The waste from your blood and the water will go out as urine.

what is the genotype ​

Answers

Answer:

Genotype for generation 2, individual 5 is bb

Explanation:

Blue eyes is recessive, and the individual has blue eyes so his genotype is bb. This is because an individual needs 2 recessive alleles of the same trait for the trait to be expressed

In a broad sense, the term "genotype" refers to the genetic makeup of an organism; in other words, it describes an organism's complete set of genes. Humans are diploid organisms, which means that they have two alleles at each genetic position, or locus, with one allele inherited from each parent

People cut down a forest to build a housing development. Which of the following describes how this action will likely affect the water cycle for this region? O Organisms will lose their habitat Groundwater in the area will be reduced More wood will be available for building homes Runoff will be reduced once the streets are paved​

Answers

Answer:

It should be, More wood will be available for building homes

& Organisms will lose their habitat

_______________________________________________

*rate this answer and say thanks please!

I put this same answer on a different question.

Hi there! So among the options, there are:

Organisms will lose their habitat

Groundwater in the area will be reduced

More wood will be available for building homes

Runoff will be reduced once the streets are paved

Think about it. This is asking how the water cycle will be affected.

It wouldn't have anything to do with organisms, this is about water. It wouldn't be involving wood, since we're talking about water.

A and C are no longer options.

The answer is B, Groundwater in the area will be reduced. It took me a bit on this one, too, since it's a bit tricky. I also got it right on my exam and I do FLVS, this is in Earth Space Science.

Have a lovely rest of your day!

If an air mass is sinking, it must be
A. cold and less dense
B. warm and more dense
C. cold and more dense
D. warm and less dense

Answers

Answer:

The awnser to your question is C.

Explanation:

The colder matter is the atoms get closer therefore making the matter more dense. A. is half correct but if the matter is cold it wouldn't be more dense because when something is less dense it goes above whatever is around it. Take for example water and oil. They seperate into different layers due to density.     Hope this helps. :)

The airmass is a large homogenous mass of air over a region that could be for many days.

The volume of air is defined by the temperature and water vapor content. Airmass may spread from hundreds to miles and are classified according to latitude and altitude. There are 4 types of air mass artic, tropical equatorial, and polar. The airmass that is light is warm and has a low pressure always lifts upwards. The cold and cool airmass always settles as it's dense and heavy. Hence the option C is correct.

Learn more about the air mass is sinking, it must be.

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Somatic cells divide by ___________________ to provide two identical daughter cells that look like the original cell while sex cells divide by _______________________ to provide four different daughter cells

Answers

Answer:

somatic cells divide by mitosis

sex cells divide by meiosis

Answer: Somatic cells divide by __mitosis__ to provide two identical daughter cells that look like the original cell while sex cells divide by __meiosis___ to provide four different daughter cells.

Explanation:

Somatic cells are non-sex cells, so mitosis is the answer for the first blank, since mitosis does not make sex cells. Meiosis does, so the answer to the second blank should be meiosis. Also, meiosis yields four daughter cells while mitosis yields only two, so the answers given should make sense.

Hope this helps, and have a nice day!

solid water (ice) does not flow. Liquid water does flow because the particles of liquid water-

Answers

Answer:

Hope this helps

Explanation:

Are not as soild of an ice cube its like water is gas but not its in the middle so that is why there is an ice cube and if you nelt the ice cube it turns into a liqued and if u boil it then it state turns into a gas which means the particals are all over the place

But to clear it up liqued particls are a littel more move-able

[This is the stem.]
602
6H20 +
OXYGEN
WATER
Glucose
ATP Energy
6 Carbon Dioxide

Answers

Answer:

602

Explanation:

carbon dioxide is good

How does the ozone layer impact life on Earth?

a)
The ozone layer hole is the main reason for climate change

b)
It filters out harmful UV radiation from the sunlight

c)
It magnifies sunlight causing sunburn

d)
Aerosol cans still contain CFC's that thin the ozone

Answers

Answer:

It's 100% B

Explanation:

I just know it!!

. A student pushes four different balls with a rubber-tipped stick. Which ball has the greatest inertia?
Ball 1
Ball 2
Ball 3
Ball 4

THIS IS SOCIAL STUDIES BTW!`

Answers

I think that b has the greatest inertia

Which kind of rock in this formation appears to be least resistant to weathering?
A. Dolomite
B. Shale
C. Limestone
D. Sandstone ​

Answers

It should be either Dolomite or Shale depending on the rock of course

Which of the following species type, if removed would alter the ecosystem drastically?


Invasive Species

Keystone Species

Native Species

None of the above

Answers

native species ??………..

Please Help!! I need it :)

Answers

I think it's endoplasmic reticulum:)

The noble gases in group 18 were some of the last natural elements to be discovered. Why do you think this is so?

Answers

Answer:

because they were extremely un-reactive. Being inert, they were difficult to isolate via chemical reactions, thus difficult to distinguish as separate elements

Explanation:

The noble gases of group 18 were the last to be discovered because they are highly unreactive or inert.

Noble gases refer to elements in group 18. These elements are renowned for being inert.

As a result of their inertness and because they are all gases, they are sometimes called "inert gases".

This chemical inertness made it difficult to discover these elements until lately. Many natural elements were discovered because they participate in chemical reactions. Hence, inert gases became the last natural elements to be discovered.

Learn more; https://brainly.com/question/19024000

help what is the element that was like named after the elemenT HELP PLEASE

Answers

it’s either americium or californium but i think it would be americium

Answer:

Californium

Explanation:

It says US STATE and obviously california is a us state

Is the mass–kinetic energy relationship directly proportional (as one variable increases, the other increases) or inversely proportional (as one variable increases, the other decreases)?

Answers

Answer:

The kinetic energy of a moving object is directly proportional to its mass and directly proportional to the square of its velocity.

Explanation:

The mass-kinetic energy relationship is ; Directly proportional

The Kinetic energy of an object is directly proportional because an increase in the kinetic energy of a moving object leads to an increase in the mass of the object and also to the increase in the velocity of the object squared.

i.e. K.E ( kinetic energy ) = [tex]\frac{1}{2} mv^2[/tex]

Hence we can conclude  that the mass-kinetic energy relationship is directly proportional.

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What could cause the differences in the amino acids sequences for these proteins in different organisms?

Answers

of the mouse sequence to compare. PLANT soybean ... What patterns are there in amino acid sequences from different organisms? ... When three of these proteins come together, they form a ring that wraps around a.

The reason of differences in the amino acids sequences with respect to the  proteins in different organisms should be because of the sequence.

Reason of differences in the amino acids:

The protein should be comprise of the polypeptide backbone along with the chains that are attached.

Each and every type of the protein should differed in the form of sequence and the no of amino acids.

Also, it does have the sequence of the chemically distinct side chains.

Therefore, in this way it have the difference.

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What is the purpose of apoptosis?

Answers

Answer:

It programs cells to self-destruct so that they can be recycled.

Answer:

Apoptosis is programmed cell death, it is used to destroy unwanted cells and to destroy damaged cells that cannot repair themselves. It also helps prevent cancer by causing cancerous cells to destroy themselves.

How can the choices that you parents made when they were young, impact

which genes you express now?

Answers

Parents that are loving and caring will most likely raise one that is similar. On the other hand, a parent that is abusive and mad constantly, will raise one that is mad and moody as well.

sub atomic particles found in protons and neutrons are what?

Answers

Answer:

thus , protons and neutrons are no more indivisible than atoms are ; indeed , they contain still smaller particles , which are called quarks . quarks are as small as or smaller than physicists can measure

Explanation:

I agree with the person on top have a good day:)

difference between hormones and enzymes​

Answers

1. Enzyme act at the same place as origin while hormones travel from one place to another via blood.

2. Enzymes are biological catalyst while hormones are not.

.3 All enzymes are protein in nature while hormones can be polypeptides, steroids, terpenoid or amines.

4. Enzymes can be reused in a chemical reaction while hormones cannot.

Answer: One of the major differences between enzymes and hormones is that enzymes act as a catalyst for a reaction and hormones act as messengers that trigger various functions in the body.

PLEASE ANSWER QUICKLY IF YOU CAN! Suppose that you are viewing the Moon through a telescope. What clues could you use to distinguish highlands from maria? ​

Answers

Answer:

rocks and white sand maybe big white lamp

Explanation:

rocks andmhite sand maybe big mhite lamp dabulyu olmadığı için m yi kullandım

write the name of reproduction process that occurs in tapeworm?​

Answers

Answer:

Hermaphroditic Reproduction

Explanation:

See image for more

Depending on the species and circumstances, tapeworms can reproduce sexually or asexually. Proglottids, the several body segments that make up a tapeworm, are composed of both male and female reproductive cells.

What Hermaphroditic reproduction occurs in tapeworm?​

Some parasitic species, like the tapeworm, are both hermaphroditic and self-fertile, ensuring reproduction even if the parasite is the only member of its species present in the host.

Because tapeworms are hermaphrodites, each segment has both male and female reproductive organs. As the segment is pulled away from the neck, viable eggs will be released into the environment. When the segment is loaded with eggs, it separates from the adult tapeworm and is excreted in faeces.

Therefore, Hermaphroditic reproduction process that occurs in tapeworm.

Learn more about tapeworm here:

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All eubacteria and archaebacteria are prokaryotes. Living organisms that are made up of cells that have nucleus are called _

Answers

Answer:

Living organisms that are made up of cells that have nucleus are called EUKARYOTES

Explanation:

Living organisms are grouped into two according to the composition of their cell components. These include:

--> The PROKARYOTES: these organisms possess a very simple cell structure with no definite nucleus. Example of such organisms include the eubacteria (that is, 'true' bacteria), archaebacteria ( which is also a type of bacteria) and blue green algae.

--> The EUKARYOTES: these organisms possess a complex cell structure with a well defined nucleus. The nucleus is found enclosed within a nuclear membrane. Hereditary materials are located within the nucleus and the cell has other components known as the cell organelles. These organelles include the mitochondria, Golgi apparatus, Endoplasmic reticulum, Ribosome, lysosomes. Example of eukaryotes are the animals, plants, fungi, and protists.

Therefore, Living organisms that are made up of cells that have nucleus are called EUKARYOTES

The Canadian lynx and the snowshoe hare have a predator-prey relationship. You will use two sets of population data and present them in a single graph.
Using the second picture below,label the x-axis ‘‘Year of Study’’.Label the x-axis with data listed in the first picture.(pls make sure that the grid your using is same as picture two below)


Based on the sizes of the numbers for each population, create a scale on the two separate y-axes. The snowshoe hare population ranges in size from 5000 to 95000. Label the y-axis on the left side of the x-axis as “Hare population (in thousands)." Number this y-axis from 0 to 100, in intervals of 10. The lynx population ranges in size from 500 to 6000. Label the y-axis on the right side of the x-axis as "Lynx population (in thousands)." Number this y-axis from 0 to 10, in intervals of 1.


Construct a line graph using the data from the first picture below.Use a different coloured line for each population.


Give your graph a title.Create a legend for your graph so it is easy to read.

Answers

Answer:

Here you go, mate. Good luck.

Explanation:

HELP hELP HELP!!!!!!!!!!!

Answers

Answer:

winter is your answer and yes I can help you with more

True or False (Please tell me Asap)​

Answers

Answer:

1. false

2. false

3. true

4. true

5. true

Explanation:

If many eruptions over a vent have made a short cinder cone, the magma that help build this volcano contained A a lot of water vapour and silica B a lot of silica and only a little water vapour IC с. a little silica and lot of water vapour D. a little silica and a little water vapour​

Answers

Answer: a little silica and a little water vapor

Cellular respiration is the process by which organisms:
A) Release energy from sugar for metabolic use
B) Create complex organic molecules from simple ones
C) Convert heat to chemical energy for metabolic work
D) Do more than one of the above

Answers

Convert heat to chemical energy
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