The correct one is Respiratory Distress !!
As rest are not concerned with air pollution !!
I think it’s c bc it makes more sense
Answer:
Burning of paper is not a physical change.It is chemical change as ash is formed in the process which is new compound and oxides of carbon are also released during the process!
Answer:
it would become darker. there would be a higher level of water pressure. and there would be less animals, or different alimals.
Answer:
Fractional distillation
Explanation:
A method for separating a liquid from a mixture of two or more liquids. ... This method works because the liquids in the mixture have different boiling points. When the mixture is heated, one liquid evaporates before the other.
