certainlyhave.Inanewstudy,theyestimated(估计)thenumberoftheworld'santsisabout20,000,000,000,000,000(20with15zeroes)!Thatmeansforeveryhuman,therearenearly2.5millionants.Ifyouputalltheantstogether,they'dweighmorethanallthewildbirdsandmammals(哺乳动物)onEarth,andthatistheone-fifthofthehumans.Howdidtheycount...
It learned to "say" these rude things from real humans. In the future, we may need to program AI with a sense of morality (道德). Morals are what make us different from other animals. AI can do many of the same things we do, such as drive cars or order food. But it cannot ...
B How much water is there on the moon? This is a question we have tried to answer for many years. A group of scientists from Chin a and the UK found that the moon may have water“reservoirs(水库)” , according to Nature Geoscienc e.Over billions of years, asteroids(小行星) have h...
Like other species, we are the products of millions of years of adaptation. Now we're taking matters into our own hands.
Humans share Earth with many different kinds of wildlife. However, many of our animal friends may not be around for much longer. According to the Living Planet Report released by the World Wildlife Fund (WWF) in October, populations of several animals, including mammals (哺乳动物), birds and...
How Much Money is There on Earth?34 related questions found When did the continents change from 5 to 7? From the 1950s, most U.S. geographers divided the Americas into two continents. With the addition of Antarctica, this made the seven-continent model. Why are there now 7 continents?
How many kinds of animals live on the Earth?A recent survey shows that scientists have found more than 2 million kinds of animals and there are over 10 million we haven't discovered yet.Animals are much more than food or pets for humans.Animals are smart.Some of them do very unusual ...
Global warming in the Antarctic glaciers melt faster, sea level will rise rapidly, life on earth will have one's head above water. I told grandpa, this is too much carbon emissions. When the Spring Festival, we do not have as they often buy a lot of fireworks, fireworks set off once ...
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Fish and chicken are also okay. W: What about dessert? Can I still have ice cream? M: Yes, but not too much. Text 8 【原文】M: Hi Nancy! You look worried. What's wrong? W: Well Daniel, have you ever felt nervous on stage? M: Sure. Do you remember that play I was in a...