<span>Molar mass is the mass in grams of one mole of any pure substance.</span>
The answer would be B fossil fuel is used it cars so increasing human population therefore would increase the burning of fossil fuels
Answer:
A. Samuel
Explanation:
although he is not right he gets the same measurement several times
Answer:
change in speed
Explanation:
if a substance causes the light to speed up or slow down more, it will refract more.
Answer: D. A buildup of mostly methane gas, which is pontentially explosive.
Explanation:
Firedamp refers to a gas mixture, largely methane, that appear in underground coal mines. It is explosive at concentrations between 5 and 10% in the air.