Question

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Brainlist
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Answer 1

1.HALOCARBON/HALOGEN

2.ALGAL BLOOMS

3.POLLUTION

4.GLOBAL WARMING

5.WASTE SEWAGE (Water pollution )

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Answer 2

$\boxed{\texttt{One word answers}}$

1. Chlorofluorocarbon .

2. Eutrophication .

3. Pollution .

4. Global warming .

5. Sewage .

$\huge\underline{\texttt{\red{EXPLANATION}}}$

⬛ Chlorfluorocarbon are the compounds that contain chlorine , carbon as well as fluorine .

⬛ These substances cause ozone depletion.

⬛ Eutrophication occurs due to surface run off.

⬛ Lots of nutrients get washed away into the ponds and cause BOD and eutrophication.

⬛ Pollution is defined as the unwanted entry of pollutants in the environment which cause harm to living organisms.

⬛ Global warming occurs due to gases like methane , water vapour , carbon dioxide , etc.

⬛ Sewage is the untreated liquid also regarded as water pollutant.