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Environmental Science

Environmental Science
A human population is small, there is a greater chance of :

gene flow
mutation
natural selection
genetic drift

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Environmental Science
What is edge species?

The species which occur abundantly in the ecotone
Endemic species
Species on the verge of extinction
Rare species

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Environmental Science
An example of an abiotic component

Plants
Animals
Soil
Bacteria

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Environmental Science
Night time temperatures rarely drop below the dew point temperature because

Both (b) and (c)
The dew will absorb all the heat
At saturation, latent heat of condensation is released into the air
Saturation vapor pressures always increase at night

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Environmental Science
Soap and detergents are the source of organic pollutants like:

All of these
Glycerol
Sulphonated hydrocarbons
Polyphosphates

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Environmental Science
Which of the radioactive material is largely associated with bone cancer

Iodine
Thorium-232
Strontium-90
Radium-226

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MORE MCQ ON Environmental Science

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