The carbohydrates seen here contain three common elements. they are
a. carbon, hydrogen, and oxygen.
b. oxygen, nitrogen, and sulfur.
c. hydrogen, oxygen, and nitrogen.
d. carbon dioxide, hydrogen, and phosphorus.

Which of the following is true of photosynthesis? a)carbon dioxide is a reactant b)water is a product c)most reactions within this process are exothermic d)oxygen is a reactant

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Which action is a reflex action. a. asking for coffe in a cold climate b. blinking when light is flashed in the eyes c. drinking water when thirsty. d. swallowing food e. taking an exam