The atomic number of carbon is 6. how many electrons does an atom of carbon have if it is represented by the symbol shown below? 12^c^1-

How was the climate when the ambulocetus was alive

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

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above