In rails, what is the primary function of activerecord? (choose the best answer)

Most of the carbon on earth is stored in the form of

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.)

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?