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Environment In Relation To Human Welfare - Questions and Answers

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41. Aerosol spray is a
A. CFC
B. CH₄
C. N₂O
D. NO
Explanation:
42. The development of brain and nervous system of children is affected by very low concentrations of
A. Hydrocarbons
B. Iron
C. Lead
D. Ceramics
Explanation:
43. Industrial growth rises the carbon-di-oxide concentration of the
A. Stratosphere
B. Atmosphere
C. Troposphere
D. Ozone layer
Explanation:
44. Sterility and children with genetic defects are caused due to exposure to
A. Light
B. Temperature
C. Noise pollution
D. High radiation
Explanation:
45. Inhalation of smoke particles irritates
A. Heart
B. Stomach
C. Kidney
D. Lungs
Explanation:
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