It is spring and a little boy has terrible allergies. His nose is stuffed with mucus and he has a cough. Why are his mucous membranes producing so much mucus? He is allergic to mucus.
It is a sign that he has a head injury.
Mucus traps pollen so it cannot enter the body.
Mucous membranes always make more mucus in spring.

Which medullary index indicates a human hair? a. 0.653 b. 0.733 c. 0.516 d. 0.256

Monitor and apply fix up strategies

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.