How is renewable fuel use expected to change in the next decade? a. it is expected to decrease. b. it is expected to increase. c. it is expected to fluctuate. d. it is expected to remain the same.

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations

How far away is the nearest black hole from earth?