Which helps explain why Mercury has many craters on its surface? A. It is close to the Sun.
B. It is smaller than Earth.
c. It is less dense than Earth.
D. It has a slow rotation period.
E it has almost no atmosphere.

E. it has almost no atmosphere.

Explanation:

On Mercury, where there is no atmosphere there is no weather to erode away the craters, So most of the craters are there on its surface.

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answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e

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