Why do you think North Africa has less biodiversity than you
might expect in a tropical area?

Can someone me with this plz? ! i'm putting 20 points on it!

All of the following came out of china and were exchanged along the silk road, except a. papermaking b. block printing c. buddhism d. compasses select the best answer from the choices provided a b c d

Some of the incoming solar radiation is absorbed by the floor. identify the type of electromagnetic energy reradiated by the floor