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Damm [24]
3 years ago
5

Describe two examples of negative effects air pollutants have on the human respiratory system

Biology
2 answers:
Serjik [45]3 years ago
5 0

Answer:

irritate people's breathing, ling cancer, asthma

Explanation:

Particulate matter in the air decreases life expectancy according to many researchers. Pollutants such as ozone irritate people's breathing, trigger asthma symptoms and cause lung and heart diseases. Exposure to environmental tobacco smoke causes many severe respiratory health problems such as asthma and lung cancer.

Tpy6a [65]3 years ago
5 0
A corrosive gas that comes primarily from combustion of fossil fuels such as coal and oil
-respiratory irritant, effects plant tissues too
-combustion of plants and animals bring SO2 to air- fuels combusted sulfur combines with oxygen or volcanic eruptions or forest fires
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The theory is most likely A) Valid. If a group of authorized scientists agreed on the theory, it would be valid. It would most likely be unreliable if it was only one scientist working alone and biased. If you don't have a group of scientists, the theory most likely won't be true because it hasn't been tested many times.

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A fossil was found and determined by radiometric dating to be 11,400 years old. what is the ratio of carbon-14 to carbon-12 in t
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The answer would be 25%

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3 0
3 years ago
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Which is a correct way to paraphrase the following:
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Answer:

The paraphrase consists in saying with simpler words and with less technical words those obtained from a text. In this way, it facilitates its understanding, because the original information extracted is expressed in a simpler way.

The correct way to paraphrase is 2.  Every organism must acquire and use energy to build new structures, repair old ones, and reproduce

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That option is referring to nutrition, which is the process by which nutrients contained in food meet the needs of cells and allow the proper development of organs. For example, certain organs such as the liver, brain, heart and kidneys, in normal conditions account for 60-70% of total energy expenditure of the organism, to which we must add the energy used in the synthesis and in the new tissue formation

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