The answer is 83% percent
Light does not travel at a constant speed in a vacuum, compared to in air, because the light is being absorbed by atoms and molecules in the air. But light does travel at a constant speed in a vacuum.
So I agree with A
All that talk about moving forward is irrelevant (I think)
Metals are the type of elements that are most likely to form more than one type of ion, for instance iron can form the ion of Fe^2+ or Fe^3+.
Answer:
This is true
Explanation:
Because it mixes in with the earth making the earth more suitable for gardening and/or farming.
I’d say for the answer 13.13 mmHg?
