<span>In a mechanical clock, the swinging of a pendulum causes the hands to move. The point of the pendulum in its swing have the least gravitational potential energy is at its original position.</span>
Answer:
Compound
Explanation:
We want to know if it's a compound or a mixture.
An example of a mixture is salt water: you can heat it hot enough to boil off the water, leaving only the salt. This is a physical change, which is how you know it's a mixture.
Something like gold is a compound: if you heat it, or hit it, you'll still only have gold. You can only break it down by chemical means, which is how you know it's a compound.
Sulfuric acid is the answer
Answer:
She did no work while she posed because she did not move the torch or the book.
Explanation:
Citric acid is not harmful to the body
