Manufacturers of hydrogen generators have developed methods to use lower amounts of electricity to split water into hydr 点我阅读全文
Beams of sunshine are waves of light and heat energy, radiated across 93 million miles of space to reach our earth in ab 点我阅读全文
Floatovoltaics reduce the need of valuable land area, save drinking water that would otherwise be lost through ______, a 点我阅读全文
Ways to produce hydrogen fuel include producing it from nuclear power, biomass, algae, artificial photosynthesis, direct 点我阅读全文
Seasonal variations in precipitation and long-term changes in precipitation patterns, such as droughts, have a big impac 点我阅读全文
Petroleum and natural gas beneath the ocean floor are also considered a form of ocean energy. A:错 B:对 答案: 对 点我阅读全文
Hydropower systems build pressure either by containing the water behind a dam, or within a pipe that runs down a hill. T 点我阅读全文
A fuel cell is a device that produces electricity from chemical fuels, in just one step. Unlike batteries, fuel cells do 点我阅读全文
Oil and natural gas are often found in similar areas, although natural gas will almost certainly be higher in the ground 点我阅读全文
Oil and natural gas are often found in similar areas, although natural gas will almost certainly be higher in the ground 点我阅读全文
_____ is the first element on the periodic table, making it the lightest element. Since it is so light, it rises in the 点我阅读全文
In a flame of pure hydrogen gas, burning in air, the hydrogen reacts with oxygen to form water and releases _______. A:l 点我阅读全文
The only products that come out of a fuel cell are _______. No pollution or other dirty byproducts come out of the tailp 点我阅读全文
The only products that come out of a fuel cell are _______. No pollution or other dirty byproducts come out of the tailp 点我阅读全文
Refueling a fuel cell car is more complex and dangerous than with traditional gasoline vehicles. A:对 B:错 答案: 错 点我阅读全文
Electrolysis can use wind, solar, geothermal, fossil fuels, biomass, nuclear, and many other energy sources. A:对 B:错 答案: 点我阅读全文
Pure hydrogen does not occur naturally on Earth in large quantities, and it is locked up in enormous quantities in water 点我阅读全文
______ is an energy form found in nature that has not been subjected to any human engineered conversion process. It is e 点我阅读全文
Petroleum is a ( ) mixture of solid, liquid, and gaseous hydrocarbons that occurs naturally beneath the Earth’s sur 点我阅读全文
In order to reduce the consumption of coal , China has tried its best to invest in renewable energy and to adopt new tec 点我阅读全文