BIOLOGY MIDDLE SCHOOL

What happens to the kinetic energy of a snowball as it rolls across the lawn and gains mass.

Answers

Answer 1
Answer: Kinetic energy of a snowball will increase as it rolls across the lawn and gains mass. We already know that Kinetic energy is directly proportional to speed. We can express kinetic energy by the formula 
Kinetic energy = 1/2 mv^2
Now as the mass increases and the velocity remains constant, the kinetic energy of the snowball is bound to increase. I hope the explanation has helped you.
Answer 2
Answer:

Answer:

Kinetic Energy Increases

Explanation:

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B.
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Answers

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The criteria used to determine whether something is alive includes movement, growth and

Answers

presence of protoplasm, self built organisms, self repair, reproduction and various life process like metabolism, nutrition, respiration, exchange of material, transportation, excretion and irritability.
One good way to remember this is with the acronym MRS GREN;

Movement - The organism can move in some way (plants move as they grow)
Reproduction - Creating new copies of this organism
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What does the anther produce?

Answers

The anther produces pollen
anther produce pollen grains which are the male gametes of the flower

How dose an atom become an ion​

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An atom becomes an Ion (a) if it gains one or more electron(s) or (b) if it loses one or more electron(s). When it gains electrons it becomes negatively charged and is called an anion. When it loses electron(s) it becomes positively charged and is called a cation.

Explain why multicellularity of an organism requires cell-to-cell communication.

Answers

In a multicellular organism, it's important that the cells communicate to coordinate the activities of the organism as a whole and carry out certain functions. 

Cows need to breath because​

Answers

Answer:

Probably because they just need air to being able to live and have air going in and out like carbon dioxide and getting rid of used air.
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