The breathing rate is the dependent variable because it can be affected by varying weights.
P.S the answer was on quizlet
Answer: A gene that exhibits multiple phenotypic expression.
The correct answer is option B. Of the following choices given, carbon dioxide is produced during both anaerobic and aerobic respiration. It is the common thing between the two respiration. Anaerobic respiration is the process which do not need oxygen to produce products while the opposite is called aerobic respiration.
The answer is C. They destroy the ozone layer
