Answer:
density of animal populations
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Answer:
It is a physical change.
Explanation:
• This is because when anhydrated copper (ii) sulfate is heated, the water evaporates to form anhydrous copper (ii) sulfate.
• evaporation is a physical change

where are equations dear????
C) medium.
The medium of a wave is any substance that carries the wave, or through which the wave travels.Ocean waves are carried by water, sound waves are carried by air, and. the seismic waves of an earthquake are carried by rock and soil.
Answer:
gravitational
Explanation:
Potential energy that is related to an object's height above the ground is known as gravitational potential energy.
Potential energy due to the position of an object above Earth’s surface is called gravitational potential energy.