The answer for Part A is: In an action-reaction pair the forces work on different objects.
Most of the energy on life starts with the sun. Plants cannot thrive without the sun, and carbohydrates come from plants. Animals feed off of those plants; therefore, the sun is your answer. :)
Answer:
C
Explanation:
He is doing the same exact experiment, and is not changing anything. This is a replication of an experiment.
Answer:
1. growth
2.causes biochemical reactions
3. acts as a chemical messenger that aids communication between your cells, tissues and organs.
4. provides structure
5.maintains proper pH
6. balances fluids in the body.
7.boosts immune health
8. transports and stores nutrients
9. provides energy for you body
Explanation: