C. Surface.
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Answer:
1. sturdy shelter
2. i am preaty shure all of them
Explanation:
Explanation:
Action and reaction are two forces that are equal in magnitude but the direction is opposite.
When a dog walks along the ground, the action force is the force that dog applies on the ground. On the other hand, the reaction force is the force that the ground applies on the dog. It is based on Newton's third law of motion.
Answer:
or pure hydrogen
Explanation:
hope this helps you because this is the answer i have for you