Answer:
the process by which oxygen released into the atmosphere by photosynthetic organisms is taken up by aerobic organisms while the carbon dioxide released as a by-product of repiration is taken up for photosynthesis.
Explanation:
Plants use carbon dioxide in a process known as photosynthesis. During photosynthesis, plants give off oxygen as a waste product. Carbon dioxide moves from the air into the leaves of plants through tiny openings in the plant's leaves. Oxygen moves out of the plant leaf through these same openings
Changes in the orbit of the earth caused the ice sheets to spread across Canada.
Answer:
c. turn back toward the equator
Explanation:
Answer:
water, shelter, food, and heat
Explanation:
hope this helped :))
FN Normal force Perpendicular (i.e. normal) to the surface. Equal to whatever force is needed to prevent the object from falling through the floor. Use the FBD recipe to find FN . FT Tension In direction of the rope or string (away from the object).