Environmental Science
The presence of high coliform counts in water indicates

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

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
The atmospheric greenhouse effect is produced mainly by the:

Absorption and re-emission of visible light by clouds
Absorption and re-emission of visible light by the ground
Absorption and re-emission of visible light by the atmosphere
Absorption and re-emission of infrared radiation by the atmosphere
Absorption and re-emission of ultraviolet radiation by the atmosphere

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
Which of the following is not a reason why water warms and cools much more slowly than land?

Heat energy is mixed in a deeper layer of water
Water has a higher heat capacity
Solar energy penetrates more deeply into water
It takes more heat to raise the temperature of a given amount of soil 1oC than it does to raise the temperature of water 1oC
A portion of the solar energy that strikes water is used to evaporate it

ANSWER DOWNLOAD EXAMIANS APP