Do you know how much of the earth is covered by water? All life on the planet needs water. But some water on our planet is not clean. In order to keep water clean, we mustn't throw rubbish into the seas, rivers, or lakes. We can also use special machines to clean water. Then ...
Earth's Water:Earth is known as a planet of water because when it is being seen from space the blue tone is the most predominant one. Water is present on about 71% of the surface of the Earth.Answer and Explanation: Around 97 percent of the water is contained by the seas, but...
Earth may be a watery planet, but, there are even more waters on some moons of our solar system.Related: All the Earth’s water and air Related: Where did Earth’s water come from?SourcesHow much water is there on, in, and above the Earth? on the U.S. Geological Survey website...
根据“Scientists have found that the chemical compositions(成分)of Earth and the Moon are very similar.”可知,科学家发现月球和地球是由类似的物质构成的,该项表述正确;D:文中提到了月球从何而来的三种可能性。根据“For example, it could be a piece of Earth…It is also possible that…”可知,文...
How deep is the Ogallala Aquifer? How much of the earth's surface is sedimentary rock? How big is the Great Artesian Basin? How much groundwater does Australia use on annual basis? What is the average temperature of groundwater? What is the difference between groundwater and runoff?
How to protect the Earth?Water is useful. We use water to clean things. There's not much water in many places We shouldn't waste water. We should reuse and save it.Most of our energy comes from coal and oil. We use energy to drive cars. There?not too much energy. We should not...
Earth is a watery place, with around 70 percent of its surface covered in water, the vast majority of which is salt water. This leaves around 30 percent of the planet's surface as potential farmland, totaling just over 57 million square miles. That's a lot of land, but much of it is...
How much of Earth is a tropical forest?Tropical forest:A tropical forest is a forest with a high, steady downpour between the tropic of Cancer and the tropic of Capricorn, and low rainfalls do not exceed two months. It's characterized by trees with a canopy that hinders the growth of ...
The moon is much67 (small) than the earth, about one fourth of the diametre(直径)of the earth.The earth is also known as "the blue planet". Saltwater oceans cover about 71% of the earth. So much water on the earth's surface makes it68___(look) blue in colour from space. There...
aStop trying to piease other people . It is better to be an original version of yourself than an exact duplicate of someone else. 停止审判对piease其他人。 是一部原著的你自己比别人的一件确切的复制品最好。[translate] aif you boil water,it becomes steam 如果您煮沸水,它成为蒸汽[translate] ...