Answer:
I think Water because it keeps you dehydrated. You will still survive with out any food or any place to live but it's not air i know that for a fact because we need oxygen to live.
Explanation:
hope that helps:) you might can add some more words to it or change it up if you want to.
Density=mass divide by volume
density=1.5g/mL, V=50mL
1.5=Mass/Volume
1.5(50)=mass
Mass=75g
Hope this can help.
Mass because Mass is always conserved in a physical change. Energy may be released or absorbed when a substance changes from one physical state to another. In a chemical change, a chemical reaction yields a completely new substance. A substance's particles are changed during a chemical reaction.
