can one of y'all pick a body of water for me please? It can be any lake, river, bay, whatever. Please pick one that's easy to research biology questions like salinity and how the sun affects the species living in it. this is so I don't fail biology but I am anyways hahahahahahahahahaha please help me...

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

In what for do plants utilize nitrogen? why do they need nitrogen?

How do you date a sample of rock that you suspect as being one of the earliest on earth