Men and women select one: a. differ physically in some limited ways. b. are different in that men are physically superior to women. c. are different in that women are physically superior to men. d. are physically equal.

The correct answer is option- differ physically in some limited ways.

Explanation:

Men and women are shows physical differences on the basis of strength and structure. Men generally have more muscular, tall and strong bodies than women comparatively. However, in individual women it is possible to have a muscular and tall body.

The men and women also show sexual dimorphism in their external reproductive organs.

Thus, the correct answer is option- differ physically in some limited ways.

answer; ///(b) it is composed of four protein chains and four heme groups;

correct answer is a. and d.