Fill in the blanks: 1. Air mainly contains two gases,______ and______. 2. Burning of garbage produces_______ gases. 3. Stagnant water breeds mosquitoes which spread diseases like_______ and_______ .4. Washing away of soil and its nutrients with rainwater is called_________.
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Answered by
1
Answer:
nitogen and oxygen
green house gases
cholera and typhoid
soil erosion
Answered by
2
Answer:
1.nitrogen and oxygen
2.carbon dioxide
3.Maleria and dengue
4.stromwater ranoff
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