Virchow's is credited with very several important discoveries.
I Would go with Producers, since plants take nitrogen from the soil to make amino acids, & plants are considered producers. Hope this helps :)
Oil, oil is made from things that has died thousands/millions of years ago.
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.
Answer:
It results from the attractive force between a hydrogen atom covalently bonded to a very electronegative atom such as a N, O, or F atom and another very electronegative atom.
Explanation:
