What causes the Aura Borealis or the Northern Lights on Earth?
1. The Sun's Gravity
2.The Sun's Light
3.The Sun's Heat
4.The Sun's Magnetic Field

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously

What monomers build nucleic acid? how many are there?

What part of atp changes when energy is released in the cell of all living things and what is the name of this process