What type of line is the equator which moves from east to west

The idea that desirable traits can be bred into human beings and undesirable ones can be bred out is known as:

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.

If you are fighting an infection, your might become enlarged and painful. a. lymphocytes c. lymph nodes b. lymph d. capillaries