In general, young Americans were eager to accept JFK's challenge since that material at hand (primary space exploration) was new and exciting. It led to a boom in learning and investment.
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.
A mixed economic system is a system that combines aspects of both capitalism and socialism. A mixed economic system protects private property and allows a level of economic freedom in the use of capital, but also allows for governments to interfere in economic activities in order to achieve social aims.
Columbus believed he had reached Asia when he had traveled less than halfway there because geographical knowledge at the time was limited. They believed if they sailed West they would reach Asia by sea but actually ended up in the Americas. He thought the world was smaller than it actually was.