What is the main source of energy for living things on earth? A. The sun. B. The moon. C. The stars. D. The wind. 相关知识点: 试题来源: 解析 A。地球上生物的主要能量来源是太阳。月亮、星星和风都不是主要能量来源。反馈 收藏
but address different stages in the energy-conversion chain of metabolic reactions. In living things,glucose is the fundamentalnutrient, but ATP is the basicfuel.
A.An Energy-saving way to recycle bottles into drinking glasses.B.How to make drinking glasses.C.Recycpng gives used bottles a new pfe.D.Green Glass received worldwide patent rights. 免费查看参考答案及解析 题目: What is the main idea of the passageA.Americans need to save gas.B.Gas ...
chanical energy directly into electricity, will provide a "clean" energy for future generations early in the new century. In most industrialized nations, electricity supplies only a portion of the country's total energy needs, typically about 16%～25%.By far the largest share of a nation's t...
Energy Source As a macronutrient, or a nutrient you need in fairly large quantities, protein can be used by your body as a source of energy. In healthy, well-nourished people, your body will attempt to spare your protein stores before dipping into them. They have important work to do, af...
a) Ammonia is used by many bacteria as a source of the element __. b). Bacteria use the element listed in a, in order to make what two classes of macromolecules?* Which macromolecule is the primary energy source for organisms?
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Sophie Armstrong, the writer of Earth Care put it, “There’s no doubt that the earth is becoming warmer because of human activity rather than a random but natural phenomenon. 【1】Which of the following titles goes with the text? A. A Rising Population B. Saving Sources of Energy C. ...
— Compared to the people in the suburbs (Because they suffer from more energy shortage), city people feel somewhat comforted. 19. The suburbs were bom with the auto, lived with auto, and are dy ing with the auto. — The car made it possible for the city to de elop into suburbs, ...