Explain why it takes weeks or even months of inadequate nutrient intake before physically obvious signs of deficiency occur

Acne is caused by a. a strict diet b. eating at night c. hormones d. dry skin select the best answer from the choices provided. a b c d

Explain why many people are concerned about uv rays? explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

The social science that differs from sociology primarily in that it focuses on individual behavior rather than on group behavior is a. anthropology. c. psychology. b. economics. d. political science.