Answer:
Distance, some kind of distance or length.
Explanation:
Answer: I would go with B
Explanation: The motor in a circuit isn't moving. That's very vague, but it doesn't show any evidence that an electrical current is going through it, likewise it doesn't show that an electrical current ISN'T going through it. However in regards to this question I would go with B.
Answer:
2
Explanation:
because hydrogen is a diatomic element, so it can't be just H
Mass is the amount of matter in the body.
Weight is the measure of force.
It's simply, e.g. I'm from Poland, imagine that you give me strong acid (HF, dangerous corrosive substance), so how can I recognize that this substance is dangerous? Safety symbols on all hazardous products are <span>requirement in chemistry.</span>