When the pressure on a gas increases, will the volume
increase or decrease?

Idon’t know how to solve this question

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

What is the most important factor in determining climates.