seven large fleets sailed west on voyages of trade andexploration. These fleets were a sight to behold and were in aleagueof their own at that time. Under the command of Zheng He, they set sail from the South Ch...
Oceans cover 71% of our Earth's surface and are responsible for balancing the ecosystem,maintaining the environment, and providing food for people. However, our oceans are now under threat due to human activities. Below are some ways people can help protect and conserve our oceans.Avoid ...
Under the world's oceans and seas lies an attracting world of lands that stretches hundreds of kilometers in every direction. In this world, without the sun, there are deep canyons (峡谷), great plains, and towering ranges of mountains. And this underwater world covers 70 percent of the ...
Dive deep into the mysteries of marine life, the impact of human activity on Earth’s oceans, and the efforts to protect these vital ecosystems from threats including pollution, overfishing, and climate change.
What comes first is that oceans are where life started and contain abundant species, which means a lot to biodiversity on the earth. Besides, it’s oceans that offer us various resources, such as food, medicine and so on, ensuring the...
earthdiveisn’t a one-way street. By sharing your experiences you will add to a global database of marine indicators,eco-regions, dive sites,diversandunderwater observationsfrom all over the world. Use our search box or just surf our pages for marine conservationnews, latestdive centresandlate...
根据文章第一句“Whales swim in all the Earth's oceans. They can dive(潜水) deep and stay underwater for a long time.”(鲸鱼在地球上所有的海洋中游泳。它们可以深潜并在水下停留很长时间。)可知,鲸鱼可以深潜并在水下停留很长时间,所以选项B正确。 2. 问题2 询问哪种鲸鱼最大。根据文章第二句“...
The oceans, which cover nearly three-quarters of Earth’s surface, remain largely unexplored because of their vastness and inaccessibility to us air breathers. Webb Research of East Falmouth, Massachusetts, hopes to open up much of that mystery field with a new underwater vehicle that is pushed...
Maps of the world showing all of Earth's oceans: the Atlantic, Pacific, Indian, Arctic, and the Southern (Antarctic).
Increasing the salinity of the Arctic Ocean surface would allow the warmer and less salty North Atlantic Ocean current to flow on the surface of the Arctic Ocean considerably increasing the temperature of the Arctic atmosphere and release the ocean heat trapped under the ice. This paper argues ...