About 71% of total global carbon is found in
Correct answer: A. Oceans
- A. Oceans
- B. Forests
- C. Grasslands
- D. Agroecosystems.
Explanation
Carbon constitutes 49% of the dry weight of an organism and is next only to water. Among the total quantity of global carbon, 71% is found in oceans in dissolved form whereas only 1% is found in the atmosphere. Carbon cycling occurs through theatmosphere, ocean and living or dead organisms.
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Ecosystems include biotic and abiotic components, food chains and webs, energy flow, nutrient cycles, populations and ecological relationships. Pollution and conservation cover air, water, soil and noise pollution, their effects on organisms, biodiversity loss, protected areas, sustainable resource use and methods for reducing environmental damage.
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