4. 1 and 2 only.
1. the downward force is the force of gravity.
<span>2. The upward force exerted is the Normal reaction from the floor.</span>
Answer:
Bacteria, Hydra, Copperheads, Blackworms, and Strawberries
Explanation:
The answer you are looking for is B, hope this helps.
Answer:
Stronger and harder than either of the pure metals
Explanation:
