Question

How are the gases present in the air harmful for the soil?
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Answer 1

Answer:

Soil gases can diffuse into buildings, the chief concerns among these pollutants are radon which is radioactive and causes cancer and methane which can be flammable at only 4.4% concentration. Gases fill soil pores in the soil structure as water drains or is removed from a soil pore by evaporation or root absorption.

Answer 2

Harmful gases to soil:

Radon and methane.

Explanation:

• Some of the gases in soil are carbon dioxide, nitrogen and oxygen.
• Radon have radioactive effect and causes cancer.
• Methane is highly flammable which has 4.4% of concentration in the soil.
• Some of the other environmental contaminant are landfills, pollutes petroleum hydrocarbon and mining activities.
• Soil water and soil air are not more harmful to the soil but they do have some effect in the plant growth and agriculture.