What gas dominated earth’s early atmosphere? Group of answer choices

water vapor

hydrogen

Methan

Nitrogen

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

Select the correct answer from each drop-down menu proteins are

Jane has a sprained ankle, and her doctor gave her a prescription that states: “ibuprofen caps 200 mg tid po.” what does this prescription say, in spelled-out form?