First stage of photosynthesis where certain wavelengths of the visible light are absorbed to form two energy-carrying molecules (atp and nadph).

a. light-dependent reactions
b. calvin cycle
c. carbon fixation
d. electron transport chain

During sunny hours, a large amount of build up between the hours of 1: 00-5: 00 pm. a. ozone b. mercury c. lead d. sulfuric acid

Identify the missing parts of the carbon cycle

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .