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Sunlight - Wikipedia Sunlight is a key factor in photosynthesis, the process used by plants and other autotrophic organisms to convert light energy, normally from the Sun, into chemical energy that can be used to synthesize carbohydrates and fuel the organisms' activities
sunlight是什么意思_sunlight的翻译_音标_读音_用法_例句_爱词霸在线词典 When we think of animals and plants, we have a pretty good way of dividing them into two distinct groups: one converts sunlight into energy and the other has to eat food to make its energy
Sunlight | Definition, Wavelengths, Facts | Britannica Sunlight, solar radiation that is visible at Earth’s surface The amount of sunlight is dependent on the extent of the daytime cloud cover Some places on Earth receive more than 4,000 hours per year of sunlight, as in the Sahara; others receive less than 2,000, as in regions of frequent storminess
A World of Sunlight and Heat - Science@NASA Clouds and snow-covered surfaces are highly reflective, while the ocean strongly absorbs sunlight Note that Antarctica appears dark because it is night time there in the month of July The bottom image shows the average amount of heat (in Watts per square meter) that was emitted from the Earth back into space during a day in July 2000
太陽光 - 維基百科,自由的百科全書 Hartmann, Thom (1998) The Last Hours of Ancient Sunlight London: Hodder and Stoughton ISBN 0-340-82243-0 MF Holick M Jenkins (2007) The UV Advantage: The Medical Breakthrough That Shows How to Harness the Power of the Sun for Your Health (頁面存檔備份,存於 網際網路檔案館), IBooks, Inc