Carbon Cycle
Bayani Gaba-gaba
The Earth is a closed box: almost no new atoms arrive from space. So every carbon atom in your body, and every nitrogen atom in your proteins, has been used before, perhaps by a dinosaur, a fern or a bacterium. Nutrient cycles are the routes these atoms take as they pass endlessly between the air, the soil, living things and back again.
In this lesson you will follow carbon through photosynthesis, respiration, feeding, decomposition, fossil fuels and combustion, and then trace nitrogen through the bacteria that fix it, turn it into nitrates and return it to the air. Understanding these cycles explains everything from why we add fertiliser to fields to why burning fossil fuels is warming the planet.
Manufura
- [Core] Describe the carbon cycle, limited to: photosynthesis, respiration, feeding, decomposition, formation of fossil fuels and combustion
Takardar Darasi
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Nazarin Darasi
Barka da kammala darasi akan Carbon Cycle. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- During daylight, which process carried out by green plants takes carbon dioxide out of the air? A. respiration B. transpiration C. photosynthesis D. decomposition Answer: C
- Carbon locked in coal and oil is returned to the air mainly by: A. photosynthesis B. combustion C. nitrification D. transpiration Answer: B
- Plants absorb nitrogen from the soil in the form of: A. nitrogen gas B. ammonia gas C. nitrate ions D. protein Answer: C
- Which bacteria convert ammonium ions into nitrates? A. denitrifying bacteria B. nitrifying bacteria C. decomposer fungi D. nitrogen-fixing bacteria Answer: B
- Denitrifying bacteria are harmful to soil fertility because they: A. fix nitrogen gas B. make nitrates from ammonium C. turn nitrates into nitrogen gas D. decompose protein Answer: C
Akwai a cikin manhajar Green Bridge
Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.
Akwai a cikin manhajar Green Bridge
Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.
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Yi Aikin Tambayoyin Gwaji
Kana son yin aikin tambayoyin gwaji kan Carbon Cycle? Sauke manhajar Green Bridge CBT don samun tambayoyin gwaji da cikakkun jarrabawa akan wannan batu.
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