Answered

1. What is one of the largest sources of air pollution?
forest fires

volcanoes

automobile emissions

burning coal

2. Which option describes how CFCpollutants harm the environment?

CFCsfrom cleaning and cooling materials mix with water molecules and cause acid rain.

CFCsfrom auto emissions enter rivers through runoff and waste water, harming Earth’s fresh water resources.

CFCsfrom cleaning and cooling materials combine with other molecules in the air, harming Earth’s protective ozone layer.

CFCsfrom non-aerosol spray cans move directly to the lower atmosphere, causing solar radiation that harms Earth’s resources.

3. What is an effect of acid rain on human health?

loss of hearing

respiratory diseases

cancer

stress

4. Which option describes human sources of water pollution?

​CFCs​ and auto emissions

technology and fossil fuels

melting snow and ice

untreated sewage and fertilizers

5. What is an effect of landfills on the soil and water?
Landfills lead to soil erosion.

Landfills cause no effects on soil and land.

Landfills produce greenhouse gases.

Chemicals from landfills leach into the soil and water.

Answer :

Answer:

Automobile emissions

CFCs from cleaning and cooling materials combine with other molecules in the air, harming Earth’s protective ozone layer.

Cancer

Untreated sewage and fertilizers

Chemicals from landfills leach into the soil and water.

Explanation:

Can 100% confirm, just finished the test :)

The largest sources of air pollution are automobile emissions.

  • Air pollution simply means the release of pollutants into the air. Such pollutants can be smoke, automobile emissions, or dust. They're bad for one's health as they can cause diseases like asthma, cough, etc.

  • CFCpollutants destroy the protective ozone layer on the Earth. CFCpollutants harm the environment when CFCs from cleaning and cooling materials combine with other molecules in the air, harming Earth’s protective ozone layer. This brings about change in global climate when the lower atmosphere of the Earth is warmed.

  • Acid rain refers to rainfall that has acid components like nitric acid or sulfuric acid. An effect of acid rain on human health is that it causes cancer.

  • Water pollution is when water is being contaminated. Human sources of water pollution are untreated sewage and fertilizers. When sewages or fertilizers are poured into water bodies, the water is contaminated and unsafe for drinking.

In conclusion, an effect of landfills on the soil and water is that chemicals from landfills leach into the soil and water.

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