What happens when you compress gas?

you increase its volume
you decrease its temp
you increase its density
you decrease the pressure

You increase its density.  

Step-by-step explanation:

Think of what happens when you squeeze a balloon.

A is wrong, because the volume decreases. The balloon gets smaller.

B is wrong. The temperature of the balloon does not change.

C is correct. You increase the density of the gas. Density = mass/volume. You have the same mass of gas in a smaller volume, so its density increases.

D is wrong. The more you compress the balloon, the more difficult it becomes. The pressure increases.

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.

cytokinesis is the splitting of a cell membrane to form 2 identical daughter cells. it's similar to mitosis as both cells have identical copies of dna and cytokinesis is a step in the mitotic cycle.