Need help with this question, thanks :)

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

Acquired mutations can result from radiation pollution toxins inheritence select all that apply

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box