The hydrogen used to produce ATP in the light reactions of photosynthesis comes from ___. a. Splitting water
b. Carbon fixation
c. Movement of hydrogen ions through the membrane
d. The burning of sugar molecules

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

Describe the two types of vascular tissue

Under which of the following circumstances would natural selection not operate on an organism