Mercury's surface has long cliffs called
a. maria
b. scarps
c. trenches
d. mountains

B. Scarps

Explanation:

The surface of Mercury is made up of long cliffs also known as SCARPS. When the inside of Mercury cools, it causes the crust of the planet to reduce or shrink in size. When the crust shrinks in this manner, it results in the crust been broken along the inclined plane, due to a type of fault called the thrust fault.

The broken crust is then pushed forward and upwards leading to the formation of cliffs with long curves and turns which is known as SCARPS.

b) returns freshwater to the earth.

c) returns freshwater to the earth.c) occurs after condensation.

d) returns freshwater to the earth.c) occurs after condensation.d) roughly equal to the amount of evaporation.

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