Environmental Science
Industrial melanism is an example of

darkening of skin due to industries
defensive adaptation of skin against UV radiations
drug resistance
protective resemblance with the surrounding

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Environmental Science
Which statement(s) below is/are correct?

Valleys are more susceptible to radiation fog than hill tops
All of these
Without the summer fog along the coast of California, redwoods would not grow well there
Fog can be composed of ice crystals

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