In this post, we're going over some of the potential causes of the atmospheric conditions and exactly what the atmosphere was like during this time. Causes It's not entirely certain why Earth's atmosphere change
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...
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 troposphere, the bottommost layer of Earth’s atmosphere, is the densest of the five atmospheric layers and extends from ground level up to about 10 kilometers in altitude. This is the layer where humans live and breathe, as it contains the air we depend on for survival. The tropospher...
According to the professor, 400 years ago what was believed to be true about Earth's atmosphere? A. It prevented high-speed motion of objects on Earth. B. It would only move if Earth moved. C. It was not affected by the motion of the Sun. ...
Early in the earth's history, the atmosphere had no oxygen or very little oxygen. When the oxygen levels were non-existent, what fossils and characteristics existed at this time? What was the name of this particular Eon? At the end of which Eon a...
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...
the Earth is between the sun and a full moon, so the moon is in Earth's shadow. The only light that reaches the lunar surface is first filtered through Earth's atmosphere — it's as if a thousand sunsets are projected onto its surface simultaneously, turning it an orangey-copper color...
根据It is like the glass of a greenhouse, letting sunlight in and keeping heat from getting out,可知,大气层就像温室的玻璃,让阳光进来,防止热量散发出去,所以空格处填The glass of a greenhouse。故答案为The glass of a greenhouse。 【2】 根据As a result of the greenhouse effect, the Earth's te...
Earth, when the nascent planet was a hellscape of active volcanoes. Each eruption blasted minerals, including salt ions (the chemical components of salt), into the atmosphere, along with water vapor. When the planet began to cool down, that water vapor condensed and descended from the skies. ...