Environmental Science
Atmospheric ozone layer which protect us from UV-B and C is getting depleted most by addition of

carbon dioxide
chlorofluorocarbon
carbon monoxide
sulpur dioxide

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Environmental Science
Infrared and visible satellite images might provide:

A way of identifying clouds suitable for cloud seeding.
A way of determining cloud thickness and altitude.
A way of distinguishing between wet and dry clouds.
A way of distinguishing between "new" and "old" clouds.

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Environmental Science
A term biotype means

all individuals having same genotype
all individuals with different genotype
all individuals having same phenotype
all individual with different phenotype

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