Why are two molecules of ATP used to start the process of both anaerobic and aerobic respiration?

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

Anurse is preparing to administer ampicillin 500 mg in 50 ml of dextrose 5% in water (d5w) to infuse over 15 min. the drop factor of the manual iv tubing is 10 gtt/ml. the nurse should set the manual iv infusion to deliver how many gtt/min? (round the answer to the nearest whole number. use a leading zero if it applies. do not use a trailing zero.)