答案38.C 39.C 40.D 41.B 解析 38.根据文中“most of the energy comes from coal,oil and gas,we call them fossil fuels"可知大部分来自化 石燃料。 39.根据文中“to light our houses,to warm up the water”可知太阳能可以用来照亮房子和加热水。 40.根据文中"such energy does not pollute the...
百度试题 结果1 题目 (B)8. What travels around the earth but does not use any fuels(燃料)? A. The sun. B. The moon. C. The rocket. D. The spaceship. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
Evaporation is the process where a liquid is converted into a gas. In regard to water, this process occurs when the liquid is heated to a temperature of at least 100 degrees Celsius (212 F).Answer and Explanation: The Sun fuels evaporation in the ocean and in most other places on Earth...
Solar power is a renewable form of energy harvested from the sun for the purpose of producing electricity or thermal energy (heat). Solar energy is free and plentiful, and its use doesn't impact the environment like fossil fuels, although solar power still comes with several challenges. Current...
plant respiration and animals and humans breathing. Butthe atmospheric CO2concentration has increased by 50%since the Industrial Revolution began in the 1800s, due to human activities like the burning of fossil fuels and large-scale deforestation. Due to its abundance, CO2is the main contributor to...
Burning fossil fuels pollutes the air. The air becomes dirty. That can be bad to people, animals, and plants. Now more people are using clean energy. Such energy does not pollute the air. Two kinds of clean energy are wind power and solar power. Solar Power The sun gives Earth heat an...
A) falls B) more C) problem D) used up E) produce Solar power What will we use for energy if we don't burn fuels? Many people think we should use renewable energy sources, which are sources that won't get 1 D Wouldn't it be great if we could turn sunlight into electricity? I...
Smart city technologies could alleviate theenvironmental impact of municipal emissions, such as those from fossil fuels. Switching to an electric public transportation system can decrease fuel emissions. Cities can also alter the electricpower infrastructureto minimize the impact of charging batteries during...
What is the order of the water cycle? What fuels evaporation in the ocean? Where does some water from the water cycle collect underground? What are Milankovitch cycles? How are clouds formed in the water cycle? Where does the water cycle end?
But if one is to believe what he says, Trump will pick up where he left off if he reclaims the White House. And sadly, the nation’s DEI-hater-in-chief will have lots of company, because animus against racial fairness and equity appears to explain much of what fuels today’s GOP...