Question

question 2 of 10
in which process do plants release oxygen?
a. transpiration
b. photosynthesis
c. evaporation
d. percolation

Explanation:

Photosynthesis is the process where plants use sunlight, carbon dioxide, and water to produce glucose (food) and release oxygen as a by - product. Transpiration is the loss of water vapor from plants. Evaporation is a physical process of liquid turning to vapor. Percolation is the movement of water through soil pores. Only photosynthesis results in oxygen release by plants.

Answer:

B. Photosynthesis