If you wanted to make an instant cold pack, what kind of reaction would you want? Justify your answer in terms of heat
flow.

What re the two main phrases of the cell cycle.

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

Anton created a chart listing different types of materials. which best complete the chart?