Ans: There are a number of ways to produce hydrogen: Natural Gas Reforming/Gasification: Synthesis gas, a mixture of hydrogen, carbon monoxide, and a small amount of carbon dioxide, is created by reacting natural gas with high-temperature steam. Electrolysis: An electric current splits water into hydrogen and oxygen.
C. Opportunity cost
This is the opportuntiy that they lost. it costed them. Thus, opportunity cost for another opportunity.
Answer:
The Cold War was an ongoing political rivalry between the United States and the Soviet Union and their respective allies that developed after World War II.
The Americans and the British worried that Soviet domination in eastern Europe might be permanent
Explanation:
