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Air
Carbon Dioxide
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Pyruvic acid enters and carbon dioxide exits.
Capillaries. The diffusion of nutrients, oxygen, carbon dioxide and wastes take place in the capillaries. If you want to be more specific, it would be the venous ends of the capillaries where carbon dioxide enters the blood.
Carbon enters a consumer contained in the complex molecules of the food the consumer eats. Carbon exits the consumer as a gas called Carbon Dioxide - which is usually breathed out.
Carbon monoxides are particles of carbon which enters the air when coal and wood are burned.
combustion
Air
Carbon enters into livings systems differently, depending on the organism. With plants, carbon primarily enters as carbon dioxide during photosynthesis . In animals carbon is taken up through food.
it has no choice but to
TRUE
Carbon enters the biosphere in multiple ways. Through photosynthesis, carbon dioxide gas enters a plants stomata and are used in the production of glucose sugar. In cellular respiration, carbon dioxide gas is releases from a plant into the air in order to produce ATP. When a plant is eaten by a consumer, the carbon is usually expelled from the organism through respiration, but traces of carbon will always be found in anything living as is the law of the carbon cycle, which is why we use carbon dating to tell how old something is. In addition, if something living dies, (all organic matter contains carbon) the carbon inside its body can get compressed by heat and pressure over time and the carbon solidifies into either coal or diamond, usually coal. By burning coal the carbon dioxide gas enters the atmosphere again and the cycle starts over.
Mainly Carbon dioxide enters. Some water can enter,but majority of water leaves through them
respiration
Carbon Dioxide
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