Ill give you a brainliest if it is right

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

Did you know that a blue wales tongue weighs more than an elephant?

You see a white marker with an orange circle and black lettering. what does this marker tell you