atmosphere effectIt is frequently stated in textbooks and scholarly articles that the surface temperature of Earth is 33°C warmer than it would be without the atmosphere and that this difference is due to the greenhouse effect. This Forum shows that the atmosphere effect leads to warming of ...
句子完整结构应为“the impact of A on B”,其中A是影响源,B是被影响对象。本题中“an earthquake”是影响源,“the Earth’s atmosphere”是被影响对象,因此需用“**of**”连接影响源,再通过“**on**”引出被影响对象。 - **A. on**:通常用于“impact on B”(对B的影响),但空格后的名词是影响源(...
Earth has an atmosphere. The atmosphere protects us from harmful rays. What is the atmosphere made of? A. Water vapor B. Gases C. Soil D. Rocks 相关知识点: 试题来源: 解析 B。解析:地球有大气层,大气层保护我们免受有害射线的伤害。大气层是由气体组成的。选项 A 水蒸气只是大气层的一部分...
Earth's atmosphere at the end of the Triassic contained the same kinds of gases it does today — nitrogen, oxygen, carbon dioxide, water vapor, methane, argon and other gases in trace amounts. The concentrations of some of these gases, however, was very different. In particular, Late-Trias...
Auroras, also known as the Northern and Southern Lights (aurora borealis and aurora australis, respectively), are natural light displays in Earth's polar regions. They occur when charged particles from the sun — sometimes called solar wind — collide with gases in the Earth's atmosphere, produc...
Planet Earth is made up of four overlapping subsystems that contain all of world’s land masses, water sources, living organisms, and gases. These four subsystems are known as spheres. Geographers break down the Earth’s systems into four spheres that make up the world’s air (atmosphere),...
The text mentions that the Earth is surrounded by an atmosphere. What can we conclude about the atmosphere? A. It is only made of oxygen. B. It has no effect on life on Earth. C. It protects life on Earth. D. It is always the same thickness. 相关知识点: ...
The atmosphere protects the earth. What is the atmosphere made of? A. Gas and dust B. Water and fire C. Earth and moon D. Stars and gas 相关知识点: 试题来源: 解析 A。本题考查对大气层组成的了解,大气层由气体和尘埃组成。B 选项水和火不对;C 选项地球和月亮不对;D 选项星星和气体不对...
If the particle is large enough to survive its trip through the atmosphere and fall to the ground, it becomes a meteorite.When a Meteoroid Becomes a Meteor When a Meteoroid Becomes a Meteor The relative speed of a meteoroid to the Earth at the moment of collision is typically in the range...
The depletion of Earth’s atmosphere would not only be fatal to humans, but also deadly for most of the plants and animals out on the planet. Remember, almost all living organisms need oxygen to survive—from the tiniest ants to the biggest blue whales. ...