Which of the following statements concerning vitamin C is TRUE? Which of the following statements concerning vitamin C is TRUE?
a. Vitamin C regenerates DNA after it has been oxidized.
b. Vitamin C is an important antioxidant in the intracellular fluid.
c. Vitamin C helps protect smokers' lungs from oxidative damage prompted by tobacco smoke.
d. Vitamin C is a mild anticoagulant.

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Compare the composition of the moon's surface with the composition of the earth's surface.

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.