Carbon is fixed by primary producers, mainly green plants, through reduction of atmospheric CO2 (photosynthesis). The energy source for this endothermic process is photosynthetic active radiation (PAR, 位 = 400, ..., 700 nm, McGee 1981). The primary producers are also known as autotrophs. ...
The air we breathe is part of the ___. A. atmosphere B. hydrosphere C. lithosphere D. biosphere 相关知识点: 试题来源: 解析 A。解析:我们呼吸的空气是大气圈的一部分。选项 B 水圈是水;选项 C 岩石圈是岩石;选项 D 生物圈是生物生存的环境。反馈...
a开口 Aperture[translate] a我想去韩国旅行 正在翻译,请等待...[translate] aas part of the internatinal network of man and biosphere protection 作为人和生物圈保护一部分internatinal网络[translate]
form a part of[sth]v expr(be a component)SCSimplified Chinese构成…的一部分 Our solar system forms part of a galaxy we call the Milky Way. integral part of[sth]n(inextricable aspect)SCSimplified Chinese不可或缺的部分 The computer has become an integral part of our business operation. ...
Is Earth's mantle part of the biosphere? In what layer of the atmosphere does global warming occur? Is water vapor part of the hydrosphere? What layer of the atmosphere is the jet stream in? How is the ozone hole formed over Antarctica?
are not found below the surface of the earth C. are mainly found below the surface of the earth D. have been found well at the normal altitude of jet planes3. The passage says that the biosphere B A. extends only 1,200 feet below the earth's surface B. is as much as twenty-five...
Gympie Part of Great Sandy BiosphereGympie Times, The Qld
The Velliangiri Mountains part of the Nilgiri Biosphere Reserve Beautiful sunrise over the mountain range at the Western Ghats border of Coimbatore district Tamil Nadu,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢
An Investigation of the Critical Events and Influential Factors to the Evolution of the U.S. Man and the Biosphere Program The UNESCO Man and the Biosphere program has operated for 45 years as an international program that started in the 1970s to conserve biotic communities and... JM Thomsen...
a学科长 Studies section chief[translate] aof the existing conservation areas in china,ten have been listed by the UNESCO as part of the internatinal network of man and biosphere protection 现有的保护区域在瓷,科教文组织列出了十作为人和生物圈保护一部分internatinal网络[translate]...