Answer:
Explanation: 1- To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight. for photosynthesis. Carbon dioxide enters through tiny holes in a plant's leaves, flowers, branches, stems, and roots.
2- in the chloroplasts
3- Once the roots find water, the water travels up through the plant all the way to its leaves. ... Water travels up the plant through the xylem tubes until it reaches mesophyll cells, which are spongy cells that release the water through miniscule pores called stomata.