During the new deal era, the civilian conservation corps planted rows of trees called to reduce wind erosion. a. forest lines b. shelterbelts c. wind-calming zones d. breeze lanes

B. shelterbelts

Explanation:

The new deal era,  the civilian conservation corps planted this tree around their home to protect them from wind erosion. The trees serves as a windbreak and are often planted in orderly lines around homes and fields. This trees were called shelterbelts because of how it shelter their surroundings and homes from wind invasion.

are you referring to matrix mathematics!

the answer is a i had that before