(rocky) planets, but it is considerably smaller than the gas giants of the outersolar system. Earth has a single natural satellite, theMoon, which orbits the planet at a mean distance of about 384,400 km (238,900 miles). TheMoonis one of the bigger natural satellites in the solar ...
1.Air pollution is what most Chinese people are(concern) about nowadays , because their health is being threatened. 2.He asked several questions(concern) the future of the company. 3.The health of teenagers has beengreat concern of the whole society. 4.翻译 As far as friendship is concerned...
This switch has decreased6.___ (pollute) in the country's major lakes and reservoirs and made drinking water safer for people. According to the World Bank, China accounts for about 30 percent of total7.___ (globe) fertiliser consumption. The Chinese Ministry of Agriculture finds that between...
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The US faces many challenges in mining rare earths, including high infrastructure development costs and lower ore grades. While China has about 33.8 percent of the world's total rare earth reserves, with an estimated stockpile of 44 million tons, the US only has an estimated 1.8 million tons ...
Venus, for example, which has a metallic core that may be similar to Earth’s in size, rotates very slowly and has no detected intrinsic magnetic field. Mercury and Mars have only small intrinsic magnetic fields. Earth’s main magnetic field permeates the planet and an enormous volume of ...
Earth Hour activity was also a reminder that every one of us has the power to make a difference, even in the smallest of ways. I am already looking forward to the Earth Hour next year and hope you will join me!■
New science says land conservation must double by 2030 to prevent dangerous warming and unravelling of ecosystems.
The number of young people entering into India's workforce has already peaked. 进入印度劳动力市场的 年轻人数量已达峰值。 People are the foundation of everything in a society. 人口是一个社会一切的基石。 We're the workers and the voters and the soldiers and the caregivers. ...
There could be lots of this supermaterial on the surface of the Moon. Moon cave 'could be base' for future astronauts, scientists saySky News - July 16, 2024 An underground cave stretching tens of metres below an open pit on the moon has been discovered which could be a potential base ...