Question

what are three human activity which are responsible for co2 fixation​

Answer 1

Explanation:

for fixing co2

1)launching a various awareness campaign

2)minimizing that equipment which produced bad air components.

3)plantation of a tree near the roadside.

etc etc

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Answer 2

Answer:

Consuming electricity: Burning fossil fuels emits CO2, with coal releasing twice as much of the gas as petroleum. Worldwide, fossil fuels generate 85 percent of electricity. The number of coal-burning plants will increase as China and India continue to industrialize. Currently, 41 percent of CO2 emissions in the U.S. arise from generating electricity.

Transportation: Whether for business or pleasure, locomotion is the second largest source of U.S. CO2 emissions. International travel is also a factor. A study of cruise ships found that vacationing at sea emits 12 times more CO2 than vacationing on land. The 11-day international Copenhagen Climate Change Conference in Denmark generated 41,000 tons of CO2. U.S. delegates alone produced enough CO2 to fill 10,000 Olympic swimming pools.

Building: Industrial manufacturing emits lots of CO2, but it only accounts for 2 percent of U.S. emissions. Iron and steel manufacturing and cement production are the biggest offenders. These industries consume monumental quantities of heat energy to convert raw materials into construction products.