Which statement regarding the moon is true? A. The maria are younger as evidenced by their high crater density.
B. The maria are older as evidenced by their low crater density.
C. Highlands are older as evidenced by their high crater density.
D. Highlands are younger as evidenced by their low crater density.

b

Explanation:

b.have there own function.

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )