EVERYDAY SCIENCE

SCIENCE

ENVIRONMENTAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Two-thirds of the sulfur dioxide that pollutes the air is produced by
A
automobile exhaust.
B
industrial boilers
C
electric power plants.
D
catalytic converters.
Explanation: 

Detailed explanation-1: -Power plants that produce electricity emit at least two-thirds of all sulfur dioxide and more than one-third of all nitrogen oxides that pollute the air. Some industries also produce VOCs, which are chemical compounds that form toxic fumes. Some of the chemicals used in dry cleaning are sources of VOCs.

Detailed explanation-2: -The power sector is responsible for 64% of the sulfur dioxide (SO2) emitted in the United States, damaging human health, ecosystems, crop and timber production, and the built environment.

Detailed explanation-3: -About two-thirds of sulfur dioxide pollution in American air comes from coal power plants.

Detailed explanation-4: -Sulfur dioxide (SO2) Nitrogen oxides (NOx) Particulate matter (PM)

Detailed explanation-5: -Sulfur dioxide, SO2, is a colorless gas or liquid with a strong, choking odor. It is produced from the burning of fossil fuels (coal and oil) and the smelting of mineral ores (aluminum, copper, zinc, lead, and iron) that contain sulfur.

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