Seen from space, the majority of theEarth’s surfaceis covered by oceans – that makes up 71% of the surface of the Earth, with the remaining 29% for land. But what percentage of the Earth’s land surface is desert? Deserts actually make up 33%, or 1/3rd of the land’s surface a...
Deforestation can lead to soil erosion. What percentage of the world's land area is currently affected by severe soil erosion due to deforestation? A. 10% B. 20% C. 30% D. 40% 相关知识点: 试题来源: 解析 C。解析:森林砍伐会导致土壤侵蚀,目前世界上有30%的陆地面积因森林砍伐而遭受严重的...
A.The percentage of the earth"s land that is desert-like. B.More than a third of the land"s earth. C.The number of people who live in dry regions. D.One of the seven continents in the world. 你可能感兴趣的试题 单项选择题
accounting for 45.4 percent of China’s total foreign trade over the same period, representing an increase of 6.2 percentage points compared with 2013; the total value of imports and exports of Chinese private enterprises to partner countries exceeded US$1.5 trillion, accounting...
内容提示: What Percentage of the Earth’s Surface is Water? Make a small dot on your thumb. Toss the globe beach ball from person to person, determining whether your dot was in water or land. Sample Data: Water Land Tally 1. We are trying to determine (estimate!) the true proportion ...
unhealthybehaviors.Theresearchersfoundthatahighpercentageoffrequentnappersreported cigarettesmoking,dailydrinking,insomnia(失眠症)andotherfactorsthatcouldcontributeto health-relatedissues. Dr.MargaretBlattner,clinicalinstructor,fromthedepartmentofneurologyatBethIsrael DeaconessMedicalCenter,tellsPeoplethatfrequentorlongdaytim...
And you united nations population study say the percentage of older people in the world is risking quickly. Today, one of every people is over is six. By the middle of the next century. One in people in the world will be 60 years old or older. That will be almost people. This means...
A forest is an ecosystem with the most dominant species as the trees. Forests are among the most efficient ecological systems, with their primary input to ecological balance being photosynthesis. Photosynthesis is an important process as it fixes the air for both animals and other plant processes....
2.According to the professor, what is Earth's radiation budget? A. The average temperature difference between land masses and bodies of water B. The balance between incoming solar energy and reflected solar energy C. The percentage of incoming solar energy that gets trapped in clouds D....
What percentage of Earth's freshwater is frozen in the cryosphere? Freshwater: Freshwater is the kind of water terrestrial plants and animals need to survive. It has less than 1,000 parts per million (ppm) of salt in it. So freshwater does not mean it has no salt but it has a very ...