Explain A) Photosynthesis is responsible for providing the oxygen needed for all life forms on Earth.

B) Carbon dioxide and oxygen are exchanged by organisms through these two processes: photosynthesis and cellular respiration.

C) Cellular respiration, through the breakdown of glucose, supplies the oxygen needed for aerobic metabolism by most organisms on Earth.

D) Photosynthesis is responsible for the transformation of solar energy into usable chemical energy, glucose, used by most organisms on Earth

Astore manager timed janette to see how long it would take her to fold and put away a sweater, a shirt, a pair of pants, and a scarf. it took her 26.1 seconds for the shirt, 24.3 seconds for the sweater, 32.8 seconds for the pants, and 18.2 seconds for the scarf. what was the average time it took janette to fold and put away all four items? during a catered lunch, an average of 4 cups of tea are poured per minute. the lunch will last 2 hours. how many gallons of tea should the caterer bring if there are 16 cups in one gallon?