Which of these is a major reason that we have use fossil fuels rather than there alternatives?

Which of these is a major reason that we have used fossil fuels rather than their alternatives? Fossil fuels add carbon dioxide to the global carbon cycle, increasing greenhouse gases and contributing to global climate change. Market costs are generally lower for fossil fuels than for their alternatives.

Why is corn instead of some other feedstock such as switchgrass used to produce ethanol in the US?

Why is corn, instead of some other feedstock such as switchgrass, used to produce ethanol in the U.S.? The simple sugar in corn is easier to convert to ethanol than the complex cellulose of switchgrass. What is the projection for future hydroelectric power in the U.S.? It will not grow significantly.

What is the major byproduct of obtaining hydrogen power from hydrogen combustion?

NASA has used liquid hydrogen since the 1970s to propel the space shuttle and other rockets into orbit. Hydrogen fuel cells power the shuttle’s electrical systems, producing a clean byproduct – pure water, which the crew drinks.

How was ethanol discovered?

Absolute ethanol was first obtained in 1796 by Johann Tobias Lowitz, by filtering distilled ethanol through charcoal. Michael Faraday prepared ethanol by the acid-catalysed hydration of ethylene in 1828, in a process similar to that used for industrial ethanol synthesis today.

What does ethanol come from and why is it renewable?

Ethanol is made from biomass Ethanol is a renewable biofuel because it is made from biomass. Ethanol is a clear, colorless alcohol made from a variety of biomass materials called feedstocks (the raw materials used to make a product).

Why is it important for us to be able to make hydrogen from seawater instead of pure water?

Stanford researchers create hydrogen fuel from seawater. Splitting water into hydrogen and oxygen presents an alternative to fossil fuels, but purified water is a precious resource. Burning hydrogen produces only water and should ease worsening climate change problems.

What is the major problem with wind energy Mcq?

3. What is the major problem with wind energy? Clarification: The major problems with wind energy is that it requires large area of land. It also poses a threat to wildlife habitat like destruction of birds.