Greenhouse effect is caused by
Green plants
Infrared rays
UV rays
X-rays
Additional Questions
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Lichens can be used as : |
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Increase in the concentration of pollutants in higher trophic levels is known as |
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Lead is one of the most serious environmental pollutants which affects |
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lf there was no CO2 in the atmosphere, the earth's temperature would be |
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Which of the following pollutants is discharged by jet planes? |
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SO2 pollution is indicated by |
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Lichens indicate pollution by |
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Major aerosol pollutant present in the jet plane emission is |
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Which of the following shows biological amplification? |
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Ultra-violet light causes |
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