Answer: The role of substance A in photosynthesis is: it combines with water to form glucose.
Explanation:
Answer:
The four seasons happen because of the tilt of the Earth's axis. At different times of the year, the sun's rays hit different parts of the globe more directly. The angle of the Earth's axis tilts the Northern Hemisphere towards the sun during the summer.
Explanation:
I believe the answer is b hope this helps
GENE controls traits and inheritance
Answer:
force of volcanic eruption
