A/an _ is a style of research that involves observation and collecting data but not include a control

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

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

Which feature of a human community is similar to a niche in a biological community