Chemistry
A solution is

A solid dissolved i water
A mixture of two liquids
A homogeneous mixture of two or more substances
A solid dissolved in a liquid

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Chemistry
What are the components responsible for acid rain?

Sulphur dioxide (SO2) and Nitrogen oxides (NOx)
Oxides of carbon (COx) and Oxides of nitrogen (NOx)
Carbon dioxide (CO2) and Carbon monoxide (CO)
Nitrogen monoxide (NO) and Carbon monoxide (CO)

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