Answer:
protons, neutrons, and electrons.
Answer:
c) matter in an ecosystem flows in one direction and is never reused.
Explanation:
A is true
Explanation:
because the full movie called the amount of each other and can help you to like let's say 11 in it to keep on counting the distances you won't be keeping record of it so that you will know that you did you did a great
abiotic factors.
An abiotic factor is a non-living part of an ecosystem that shapes its environment.