How does Earth's atmosphere help it to sustain life? An Important Layer Of Gases: The earth's atmosphere consists of five layers of gases that surround it and are held in by the force of gravity. Each layer has significant differences in its composition and general function. The earth's ...
What does “meteorologists” refer to___. A. people who study the earth’s atmosphere and its changes B. people who are in charge of weather forecast C. people who broadcast weather on TV D. people who study the E. arth’ s rocks the history of its development 相关...
结果1 题目What percentage of the Earth's atmosphere does nitrogen make up by volume? A. 21% B. 50% C. 78% D. 99% 相关知识点: 试题来源: 解析 C。原因:It makes up about 78% of the Earth's atmosphere by volume.。反馈 收藏 ...
Earth's atmosphere is enormous, so far reaching that it even affects the International Space Station's route. But how did this giant gaseous envelope form? That is, why does Earth have an atmosphere? In short, our atmosphere is here because of gravity. When Earth formed, about 4.5 billion...
The atmosphere is the term most commonly used, referring to all air around our planet, while the hydrosphere refers to all water in oceans and lakes, and the geosphere refers to the hard rocks of the Earth's crust we live upon.Answer and Explanation: ...
This is when small amounts of gases in the atmosphere, like carbon dioxide, methane and water vapour, trap heat from the sun and therefore warm the earth. Without the 'greenhouse effect', the earth would be about thirty-three degrees Celsius cooler than it is. So, we need those gases. ...
The Sun's rays have to travel a shorter path through Earth's atmosphere in the day. This is why the sky looks blue during the day. ©iStockphoto.com/bluejayphoto Blue Skies And Yellow Sun When sunlight strikes gas molecules, such as nitrogen and oxygen, light of longer wavelengths, lik...
Also Read :Pollution From Rocket Engines Spreads High Into the Earth's Atmosphere Earth Hour 2024 In a video message earlier in March, UN Secretary-General Antonio Guterres stated that our planet's "climate is collapsing" and called on people to joinEarth Hour 2024. Gu...
How does the atmosphere protect life on earth? Earth's Atmosphere: The atmosphere is a blend of gases covering the Earth. It consists of roughly {eq}78\% {/eq} of nitrogen, {eq}21\% {/eq} of oxygen, and {eq}1\% {/eq} of other gases, such as {eq}{\rm{C}}{{\rm{O}}_...
Fracking and Earth and Soil Quality Fracking can have long-term effects on soil and surrounding vegetation in addition to air and water pollution. The high salinity of wastewater spills can reduce the soil's ability to support plant life.10 ...