What is one standard atmosphere of pressure in kilopascals? What are the layers of earth atmosphere? What is the coldest layer of the atmosphere? What was Earth's early atmosphere like? What do the troposphere and the stratosphere have in common?
根据第一段中的Meteorites (陨石) can offer clues about what the early solar system was like.(陨石可以提供关于早期太阳系的线索。)可知,科学家研究陨石的目的是探索太阳系的过去。因此D项Toexplorethepastofsolarsystem(探索太阳系的过去)符合题意,故选D。(2)细节理解题。根据第二段中的Drone-based searches...
What was early Earth like?Earth:According to research, the Earth began to take shape around 4.6 billion years ago. Because of this planets long history, there have been many geological and biological events that have lead up to our present day world....
What problem did the Intergovernment Panel on Climate Change meet when they studied the earth atmosphere A. They found the cloud’s reaction to the carbon level of the atmophere was too complex to predict.B. They were puzzled by the carbon levels in the atmosphere’s cloud.C. The ...
The low temperature of Venus’ early atmosphere can be explained only by the presence of water. C. The presence of carbon dioxide in a planet’s atmosphere is an indicator of water on that planet. D. Venus probably was struck by roughly as many comets as Earth was. ...
As Keil notes, children are particularly rich in wonder while they are rapidly developing causal mechanisms(因果机制) in the preschool and early elementary school years. They are sensitive to the others' knowledge and goals, and they expertly use the...
It is used mainly as decorations to create a festive atmosphere. It is widely believed in China that red paper cuts can bring good luck and best wishes to the whole family. You won't find paper cutting difficult as long as you keep p...
B. She was cleaning the living room. C. She was polishing the table. 12. Who may be the man speaker? A.A police officer. B.The woman’s husband. C. The woman’s friend. 13.When does the conversation probably take place? A.On an early morning ...
Moreover, the vibrant campus life is another remarkable aspect of university. The numerous extracurricular activities, such as clubs, sports teams, and cultural events, create a lively atmosphere. Participating in these activities not only helps students develop their interests but also fosters a sense...
An important example of this process was the removal of most of Earth’s carbon dioxide from its atmosphere to form carbonate rocks. However, if Earth were a little closer to the Sun, its oceans would evaporate; if it were farther from the Sun, the oceans would freeze solid. [#highlight...