Ocean acidification is occurring because A. of agricultural runoff into rivers.
B. the ocean absorb about 25% of the carbon dioxide emitted into the atmosphere by human activities.
C. water changes pH as it warms.
D. overfishing is changing the structure of ecosystems, haring the plankton that regulate the pH of ocean water.
E. acid rain has worsened over the last two decades.

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.

How do disease caused by bacteria and disease caused by viruses react to antibiotics?