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Environmental Science

Environmental Science
Decomposers are otherwise called as

Organic matter
Secondary consumers
Primary consumers
Detritivores

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Environmental Science
The unit of total water content of the soil is known as

All of these
Holard
Echard
Chraserd

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Environmental Science
Scientists are able to determine the air temperature in the thermosphere by:

Observing changes in satellite orbits
Using temperature probes in orbiting satellites
Direct measurements in manned, high-altitude balloons
Using radiosondes

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Environmental Science
What is desertification?

Conversion of croplands into desert
All of these
Conversion of forests into desert
Conversion of grassland into desert

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Environmental Science
The most abundant gases in the earth's atmosphere by volume are:

Oxygen and helium
Nitrogen and oxygen
Oxygen and ozone
Carbon dioxide and nitrogen
Oxygen and water vapor

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Environmental Science
The pyramid of biomass is inverted in

fresh water ecosystem
grassland ecosystem
forest ecosystem
tundra

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