(b) The response of the skin to cold weather is an involuntary action. Explain how an involuntary action differs from a voluntary action.

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.

i think the answer is a.keratin is the pigment responsible for skin color.