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Environmental Science

Environmental Science
To protect fruit trees from frost, it is important to keep the air as still as possible.

1

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Environmental Science
Thickness of plastic cover permissible to use

100 Microns
20 Microns
10 Microns
50 Microns

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Environmental Science
The temperature to which air must be cooled in order to become saturated is the:

Wet-bulb temperature
Dew point temperature
Minimum temperature
Freezing point

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Environmental Science
The maintenance of relatively constant internal environment is called

Endotherms
Homeobox
Exotherms
Homeostasis

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Environmental Science
The presence of high coliform counts in water indicates

hydrocrbon contamination
decreased Biological Oxygen Demand
contamination by human wastes
phosphorus contamination

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Environmental Science
Respiratory roots are known as

pneumatophores
prop roots
hydathodes
velamen

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