Environmental Science - Study Mode

[#526] Ozone depletion in the stratosphere will cause
Correct Answer

(A) increased incidence of skin cancer

Explanation

Solution: Ozone depletion occurs when chlorofluorocarbons (CFCs) and halons—gases formerly found in aerosol spray cans and refrigerants—are released into the atmosphere. CFCs and halons cause chemical reactions that break down ozone molecules, reducing ozone's ultraviolet radiation-absorbing capacity.

[#527] Natural gas that was formed from ancient prehistoric forests is called
Correct Answer

(A) Fossil fuels

Explanation

Solution: Natural gas that was formed from ancient prehistoric forests is called Fossil fuels.

[#528] Pick out the world's rarest monkey.
Correct Answer

(C) Golden langur

Explanation

Solution: Golden langur is the world's rarest monkey.

[#529] The major reservoir of carbon is
Correct Answer

(B) Ocean Bed

Explanation

Solution: There are four major reservoirs, or stocks, of carbon on Earth: 1) in rocks (this includes fossil fuels), 2) dissolved in ocean water, 3) as plants, sticks, animals, and soil (which can be lumped together and called the land biosphere), and 4) as a climate-warming gas in the atmosphere.

[#530] The undesirable change in physical, chemical or biological characteristics of air, land and water is referred as
Correct Answer

(C) Pollution

Explanation

Solution: Pollution is any undesirable change in the physical, chemical or biological characteristics of air, water or land. Pollution can harm the health and threaten the survival or activities of human beings and other living organisms.