Raw material Used to make steel
<span>hydrosphere should be yor answer</span>
Answer:
loss of volatiles to the atmosphere
Explanation:
volatiles are the group of chemical elements and chemical compounds with low boiling points that are associated with a planet's or moon's crust or atmosphere. Examples include nitrogen, water, carbon dioxide, ammonia, hydrogen, etc.
Volatiles were accreted throughout the Earth’s formation, but Earth’s early accretion history was volatile poor.
The answer is heat. It is the number 1 weather related killer in the U.S.