Question

The map below shows the range of three types of grasslands in the United States. Some grasses of the tallgrass prairie grow to 6 feet or taller. What allows the grasses in a tallgrass prairie to grow so tall compared with the grasses in a shortgrass prairie? Blue: Shortgrass prairie, Purple: Mixed grass prairie, Green: Tallgrass prairie.
A.) Bigger cedar break
B.) More rainfall
C.) Larger rain shadow
D.) Less-fertile soil

Answer 1

More rainfall leads to the growth of the grass in a tallgrass prairie to grow so tall.

Answer: Option B.

Explanation:

The tallgrass prairie consists of big and little blue stem, switchgrass, and Indian grass. These were the species which thrive in the area which receive rainfall in large amount. The rainfall in these areas are in the amount of 30-40 inch annual precipitation.

Because these areas receive rainfall in such high amount, the grasses grow very tall. The height of these grasses reach to approximately 6-8 feet in height.