Question

draw Oxygen and water and nitrogen cycles?

Answer 1

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Answer 2

Gaseous cycles

Explanation:

Oxygen Cycle

• Oxygen cycle plays an important role in the existence of life on earth
• During photosynthesis all green plants all green plants release oxygen back into the atmosphere
• All aerobic organisms use free oxygen for respiration
• Oxygen is balanced in the atmosphere by exhalation of carbon dioxide back into atmosphere which is again used by plants during photosynthesis

Water Cycle

• Water cycle explains how water evaporates from the surface of earth,rises into the atmosphere,cools and condenses into rain in clouds and falls onto the earth surface as precipitation
• Water cycle starts with evaporation where water in seas,lakes,river bodies absorbs heat from sun at the surface turns into vapors
• Second step is condensation where water vapors rises up in the atmosphere,at high altitudes these vapors changes into ice/water droplets
• After condensation comes precipitation where movement of wind causes clouds particles to collide,water in the form of rain from clouds fall back onto the earth's surface
• This precipitation runs off into oceans,rivers or get absorbed into the soil(infiltration)

Nitrogen cycle

• Nitrogen cycle is circulating nitrogen in various forms through nature
• Some nitrogen fixing organisms are free living while some are symbiotic nitrogen fixers
• Nitrification is the process that converts ammonia to nitrite and then nitrate