Phosphorous is:

A:found free in the atmosphere

B: returned to the soil by rhizobium

C: added to the soil though weathering

D: usually very abundant in an ecosystem

How long does it take for water/liquids to pass through your body?

What are other biochemical tests for diagnosing bacteria

Does the virus use any energy while replicating?

Which food is an example of a developmentally appropriate food for a toddler?

Which water-soluble vitamin plays an important role in the formation of collagen? A. vitamin C B. thiamin C. folate D. biotin

This plant structure gives plants their green color

1. In your opinion, how are African Americans treated by the criminal justice system today? How have things improved and what do you think requires further attention?

What town, nicknamed "Ski Town, U. S. A.," has produced more Winter Olympians than any other place in the country?

John Likes hiking he observes that whenever he hikes up a hill he breathe heavier than when he is on flat ground which two statements explain why this happened

Do vegetarians eat animal crackers?