Answer:
D
Explanation:
The answer is D. Solutions you cannot see the separate substances. however in a mixture you can see the different substances. So the correct choice is D
Answer:
4.5s
Explanation:
That must be the right answer.
<span>There is no special name for that. Physics is usually just concerned with "forces", and doesn't specify whether the force pushes or pulls. If you want to be more specific, you can just call it a "pulling force".
I hoped this was satisfying!:)</span>
The correct answer is A. Installation of rigid metal conduit requires grounding and the grounding equipment used may weaken the structure.