About how many different languages are spoken in sub-Saharan Africa today? A 500
B 750
C 1,000
D 1,500​

According to the belmont report, the moral requirement that there be fair outcomes in the selection of research subjects, expresses the principle of: a. beneficence.b. respect for persons.c. justice.

The platt amendment was a treaty that allowed the united states to build military bases in which country?

How can i cope with anxiety/stress ? i need the best ways.