An example in which a species is no longer found anywhere on earth is

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

How does photosynthesis show the conservation of mass and energy?

The united states uses which source of energy to produce almost 40 percent of its electricity