NEET BIOLOGY

BIOLOGY IN HUMAN WELFARE

HUMAN HEALTH AND DISEASE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Some mercury that we are exposed to comes from natural sources, but most comes from anthropogenic sources, in particular from
A
automobile exhaust
B
coal-burning power plants
C
old paint in homes
D
runoff from livestock waste
Explanation: 

Detailed explanation-1: -Mercury is emitted by natural sources, such as volcanoes, geothermal springs, geologic deposits, and the ocean. Human-related sources primarily include coal combustion, waste incineration, industrial uses, and mining.

Detailed explanation-2: -Mercury is a naturally occurring element that is found in air, water and soil.

Detailed explanation-3: -Types of Sources Anthropogenic (human-caused) emissions include mercury that is released from fuels or raw materials, or from uses in products or industrial processes. Some of the mercury circulating through today’s environment was released years ago.

Detailed explanation-4: -Power plants are now the largest anthropogenic source of Mercury in the United States. To address this concern, new legislation has been proposed to cut emissions of pollutants from power plants. However, different parties disagree on how mercury should be regulated.

There is 1 question to complete.