How was the theory of the sun being made of coal determined to be false

What did the first language sound like

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

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture