Where are the answer choices?
Answer:
There are four main types of chromatography. These are Liquid Chromatography, Gas Chromatography, Thin-Layer Chromatography and Paper Chromatography. Liquid Chromatography is used in the world to test water samples to look for pollution in lakes and rivers.
Answer:
A.
Explanation:
If there is the same amount of demand but the price increases, the supply will go up because less is selling, but the demand is the same.
