4 As a boulder rolls from the top of a hill to the bottom, how do its potential and kinetic energy change? * A Potential and kinetic energy both increase.

B Potential increases and kinetic decreases.

C Potential decreases and kinetic increases.

D Potential and kinetic energy both decrease..

c. Potential decreases and kinetic increases.

Explanation:

As the boulder is rolling down the hill, potential energy decreases as kinetic energy increases.

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when atmosphere interacts with biosphere they focuses on on the sources and sinks of green house gases (ghgs) air pollutants, particular matters, water and energy between the earth's surface and the atmosphere. the biosphere affects the climate. the atmosphere and biosphere are in constant interaction with each other, and all living things rely on gases in the atmosphere for life. organisms such as animals take in oxygen gas form the atmosphere to use in every cell of their body for smooth functioning of daily routine exercises.

c. electrical charges of ionic bonds.