> 进口原版 > Children's Books(儿童图书) > 进口原版 Let's Save Antarctica Why we must protect our planet 拯救南极洲 精装 英文版 诚研进口原版专营店 关注店铺 评分详细 商品评价: 4.7 高 物流履约: 4.4 中 售后服务: 4.9 高 手机下单 进店逛逛|关注店铺 ...
Why protect something so unpromising? The answer lies in a number of factors,not the least of which is isolation itself. Antarctica is a very large area of the earth's surface,but-until recent years-was the least studied. More knowledge of it is important for all mankind. A look at a ...
"I often wonder what it would be like if the big tech companies were run by more individuals who valued creativity," muses Evana, who requested the use of a pseudonym to protect her identity. Evana is a San Francisco-based escort, whose career took them from the most elite of colleges,...
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DONALD: No. Economic force. Because Canada and the United States, that would be really something. You get rid of that artificially drawn line, and you take a look at what that looks like. And it would also be much better for national security. Don't forget, we basically protect Canada....
Why should we protect keystone species? Why do polar bears live in the Arctic region? Why do most ecosystems not have a keystone species? Why is genetic drift important to endangered species? Why does maintaining biodiversity have a direct economic value to humans?
State insect: This species was one of the first domesticated insects in history. It now haspopulations on every continent except Antarctica, thanks to humans making use of its pollination work. State butterfly: While males of this species are orange. Females are dark blue and larger than males...
A highly virulent strain of H5N1 has wiped out entire colonies of seabirds and seals from Alaska to Antarctica. Experts say the risk to people is low—for now.
“Such architecture would bake the inhabitants and their parklands in strong sunlight while poisoning them with space radiation at the same time.” Instead, some (short for “space homes”) are likely to be placed underground or, at the very least, surrounded by rocks to protect against ...
of South Africa and heading north-east towards Madagascar. The minimum distance is 9,800 kilometers, says Stevick, but this is likely to be an underestimate, because the whale probably took a roundabout way to feed on frill in the Southern Ocean near Antarctica before reaching its destination....