What type of rock is formed by depositing material in layers? igneous basalt metamorphic sedimentary

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

Identify the missing parts of the carbon cycle

Individuals do not compete directly for resources, but are prey for the same predator