The higher platform because it is in a higher place and it takes more energy to pull down.
The electron transport chain is a chemical reaction where electrons are transferred from a high-energy molecule to a low-energy molecule. These reactions can be used to convert energy from sunlight in photosynthesis or extract energy from sugars in respiration.
To compare what your knowledge was on the subject before and after and to see how much you learned throughout the whole process, how much knowledge you obtained...
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The electrons needed by photosystem ii originate from water.
Cut diamonds (28%), machinery and equipment, software, agricultural products, chemicals, textiles and apparel. Raw materials, military equipment, investment goods, rough diamonds, fuel, grain, consumer goods.
