Which of the following is not true of theories and laws

a. a law has no exceptions
b. a hypothesis might eventually lead to a theory
c. all theories will eventually become laws
d. a theory might be proven wrong

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.

Which of the following is a testable hypotheses?