FAST PLEASE HELP All atoms of the same element must have the same number of O protons.
O neutrons.
O compounds.
O electrons.

1) this is the structure in the cell nucleus that houses a cell's genetic information

How does a hydroelectric power plant converts energy into energy.

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist