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I'm a Little Seed 我是一粒种子 I'm a little Seed, 我是一粒种子, Brown and fat, 棕色的、圆圆的种子。 I haven't got a front, 没有正,没有反。 And I haven't got a back. 没有前,没有后。 Plant me in the earth, 请把我
How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
Soil 土地 Soil is necessary for people's life. 土地是人类生活的必需品。 Plants can grow from soil. 植物依靠土地生长。 Soil gives plants a lot of nutrition. 土地为植物提供大量的营养物质。 Plants can make flowers a
This is the VOA Special English Agriculture Report. Soil naturally contains harmless amounts of lead, along with other metals. Because of pollution, however, the amounts are higher the closer you get to cities and towns. But experts say this should
Number one: we can fertilize our food. 第一:这能为我们的食物施肥。 Each one of us is pooping and peeing something that could fertilize half or maybe all of our food, depending on our diet. 我们每个人都产生能够肥沃我们一半
JEFFREY BROWN: And we check in again with two people who've helped us keep up with the continuing crisis. Arjun Makhijani is an engineer special -- engineer specializing in nuclear fusion. He's the president of the Institute for Energy and Environmen