Answer:
Air is a mixture of gases. Gas is a state of matter. Hence, air is matter.
Explanation:
See the attached file. It contains a table explaining the composition of air.
Answer:
gas
Explanation:
gasoline will never freeze up
Answer:
430.
Explanation:
If we know that 0.5 is half of a whole number, then we can simply understand that we need to 215 x 2 to get our answer.
Answer:
Specific heat
Explanation:
The specific heat is the amount of heat, that is energy in transfer to or from a thermodynamic system, required to raise the temperature of 1 g of substance by one degree Celsius or one Kelvin, since one degree on the Celsius scale is equal to one Kelvin.