大英1测试2How did the Earth's first atmosphere disappear?A Heat from the molten crust and solar wind carried it away.B It couldn't gain enough escape velocity.C It lived to a ripe old age.D The atmosphere was too heavy to make up a stable one. 相关知识点: 试题来源: 解析 A Heat f...
Harald Franzen
Atmosphere: Earth's atmosphere is often compared to a blanket of gases that surrounds the planet. The atmosphere is important because it protects us from the Sun and has a strong impact on the planet's weather. Answer and Explanation:
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 atmosphere extends over 6,000 miles into space. Answer and Explanation: The earth's...
How the earth got its atmosphere.Discusses the atmosphere in Earth. Difference in earth's atmosphere from other planets; Effect of the Earth's gravitational field in retaining the atmosphere; Investigation of the origin of Earth's carbon dioxide; Sources of Earth's volatile elements; Contribution ...
结果1 题目 In 10 days, the Earth picks up 2.6 × 10 pounds of dust from the atmosphere. How much dust will it pick up in 45 days? B A)12.1*10^7pounds B 11.7*10^8POun ds=10.2*10^8pounds D)11.7 ×106pounds E)None of these 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
Mostly, the Earth's atmosphere blocks out photons with a shorter wavelength than ultraviolet light. This makes it difficult to study the Sun's inner workings from Earth directly. However, we do have our ways.Many ground-based telescopesuse a grid of sensors also known as a charge-coupled dev...
题目The warming of Earth's climate(气候) is called global(全球的)warming .If global warming carries on,many plants and animals living today on the Earth could have problems surviving(生存).It could also mean more droughts(干旱)and floods(洪水).Over the last one hundred ...
So that’s what created the water M: It’s not the collision, that created water. Comets contain water. They’re made up mostly of cosmic dust and water. When they collide with the atmosphere, they break up. And the water they contain rains down to earth. Ocean water came from that ...
s atmosphere affect Earth?s geosphere? Spheres of Earth: Geographers broadly divide the different areas of our planet into spheres. 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, ...