Biology

What vitamin does the sun's ultraviolet rays help the skin produce?

More Questions from Biology
Which of these animals below is extinct?
Reveal Answer
Where are the carpals found in humans?
Reveal Answer
Which of these mammals lays eggs?
Reveal Answer
Pregnancy in humans lasts how many days?
Reveal Answer
Which form of communication does a bird use?
Reveal Answer
What is a name for the place where an animal lives?
Reveal Answer
How many main kingdoms are there in the living world?
Reveal Answer
What substance, found in food, helps move wastes through the body?
Reveal Answer