Grasslands are a biome that receives 25-75 cm of rain each year and contain what? A. Hills covered with dry brush
B. Hills covered in lush grass
C. Flat land with little grass
D. Rocky mountains

Explanation:

A. Hills Covered with dry brush- this is most likely correct

b. Hills covered in lush grass- incorrect, because it is LUSH grass which would require lots of rain.

c. Flat lands with little grass- incorrect because grasslands DO have lots of grass.

D- incorrect because grasslands typically do NOT have rocky mountains but are generally flatlands with grass

the correct answer is:

a. formation of precipitation