When frost forms:
A. When on outside surface cools past the dew point
B. water vapors changes into ice without becoming liquid
C. Below the dew point
D. All of above
Temperature at which air must be cooled in order to become saturated is:
A. Minimum temperature
B. Freezing point
C. Dew point
D. None of the above
Mixture of gases and tiny dust particles in atmosphere is called:
A. Fog
B. Air
C. Oxygen
D. None of these
—— is a permit that allows the company that holds it to emit a certain amount of carbon dioxide or other greenhouse gases:
A. Carbon trade
B. Carbon credit
C. Carbon print
D. None of these
The principle of reducing waste, reusing and recycling resources and products is often called:
A. Waste Management Principle
B. “3Rs” Principle
C. Recycle Principle
D. Environment Principle
Poisonous substances that can be present in industrial wastes does not contain:
A. Phosphate
B. Nitrates
C. Oxygen
D. Mercury and lead
Which of the following components include he physical element of the environment?
A. Climate and temperature
B. Water bodies and humidity
C. Landforms and air
D. All of these