Question

please give me answer Fast




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Answer 1

Answer:

First ans is true

second and is false

third ans is true

fourth and is false

Explanation:

Long-term ambient air pollution exposure was reported to increase all-cause mortality (10). Air pollution is the cause and aggravating factor of many respiratory diseases like chronic obstructive pulmonary disease (COPD) (11,12), asthma (12,13), and lung cancer (14,15).

Struggle against air pollution seems to be a longtime task for both developed countries and developing countries (16-18), especially China (17,19-21). Apparently, as the air pollution remains a severe problem worldwide, to understand what constitute the air pollutants and what benefit measures could be taken is of help for people especially those with chronic respiratory diseases.

Answer 2

Explanation:

1) true

2)false

3)false

4)false