Which of the following is an environmental challenge facing the Sahel? a. desertification
c. shifting agriculture
b. deforestation
d. all of the above

Shanti wraps the gift she is taking to a friend's birthday party. she doesn't have very much paper, so she does not overlap any of the edges. how much paper did it take to cover the gift?

Which statements are accurate about snow flakes

Why does a tidal bulge occurs on opposote sides of earth