Answer:
D. potential energy to kinetic energy
C) photosynthesis occurs only in plants and respiration occurs only in animals.
Answer: Human population, now over 7 billion, cannot continue to grow indefinitely. There are limits to the life-sustaining resources earth can provide us.
Explanation:
Answer:
6
Explanation:
There's Sodium (Na), Carbon (C), and Oxygen (O). But since there's 2 Sodium and 3 Oxygen, in total theres 6.
A living thing is a system because it has multiple stages and functions that the body, animal, creature does or does to survive.