How much of the world’s diversity is threatened as tropical forests are converted to agricultural use?
20 percent
30 percent
40 percent
50 percent

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.

bc blah

explanation:

bc blah

make   gliitsh plesea   !

a plastic spoon that has a temperature of 78° f is placed into a bowl of soup that has a temperature of 84° f. which of these correctly describes what will happen?

energy as heat moves from the soup to the spoon.