Which of the following is true of an exergonic chemical reaction?
a. reactants lose mass as products are formed.
b. bonds are broken in reactants and new bonds are formed in products.
c. no activation energy is required to initiate it.
d. the energy released is captured by a catalyst.

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

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

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