1. According to the rules of carbon dating, how much time
passes during one half-life?

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

Discuss cell surface transport in the structure of constituents

Which atmospheric later is where earths northern and southern lights occur