,短文中明确提到“Our planet is called Earth. We can live on Earth...”,所以答案是“We live on Earth.”。问题2:“What do plants and animals need?”(植物和动物需要什么?),文中指出“All plants and animals need oxygen. They need water too..
Why is geological evidence of liquid water on Earth and Mars three to four billion years ago problematic? A.It suggests that the solar system is younger than it could possibly be. B.It suggests that the young Sun was less bright than it is today. C.It challenges the prevailing model ...
New discoveries are changing long-held views of the biggest, meanest, and most bizarre animals that ever flew.
2.Why is geological evidence of liquid water on Earth and Mars three to four billion years ago problematic? A. It suggests that the solar system is younger than it could possibly be. B. It suggests that the young Sun was less bright than it is today. C. It challenges the prevailing ...
Why is there a huge decrease in water on earth every year According to my research findings, due to the fact that the earth's water is electrolyzed into oxygen and hydrogen due to the earthquake and radio, and the proportion of hydrogen is small, it escapes to the outermost layer of the...
B. Water vapour freezes in the atmosphere and falls back to the earth. C. There is a lot of water on the earth. D. When the temperature is low, water turns into ice on the earth.重点句型及难句分析1. Because up to 70 per cent of its surface is covered by water! 句意:因为它的...
Water is very important for living things.Without water there can be no life on earth.All animals and plants need water .Man also needs water.(水的重要性)In fact we can do many things in our daily life to save water.Firstly,make sure we can turn off the tap in time.Secondly,make su...
10.According to paragraph 3, why is water able to move so freely on Earth? A. Earth's temperatures are such that water exists in solid, liquid, and gas forms. B. Earth is large enough to be geologically active and for its gravitational field to hold an atmosphere. C. Earth’s surfa...
Water on the moon is currently thought to exist only in ice form, given that liquid and vapor water can not exist on the moon due to its low...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
Answer to: Why water on the earth i.e from the sea, river, etc is not falling down in the universe? By signing up, you'll get thousands of...