How did the first photosynthetic organisms help turn Earth's early environment from anaerobic to aerobic?​

As a small change in a person's dna can cause a genetic disorder

Which of the following types of reactions would decrease the entropy within a cell? a. dehydration reaction, b. hydrolysis, c. respiration, d. digestion, e. catabolism.

9. what area of study applies scientific findings to create ways for solving problems or improving life? a biogeology b mathematics c manufacturing d engineering