What do bisphosphonates, calcitonin, evista, fosamax, forteo, and boniva have in common?
a. they are drugs or hormones used to prevent osteoporosis
b. they are antioxidant enzymes
c. they are other names for phosphates, calcium and iron supplements
d. they are used to prevent hyponatremia when exercising in the heat
e. they are drugs used to prevent pernicious anemia?

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

Explain how the political influence of african americans leaders became weaker.