When you study pharmacodynamics you study?

Why were so many distinctive cultures able to develop over time in asia?

In ancient egypt, the pharaoh collected from the peasant farmers. a. oil b. gold c. lumber d. taxes

Which factor contributed to the rise of african empires such as ghana and mali ? a. their creation and involvement in trade networks b. they focused only on agricultural production. c. they didn’t engage in warfare with other nations d. their geographic location protected them from attacks.