Read a key findings paragraph from an informative report on ocean pollution. Discarded plastics in our oceans are a significant source of climate change. As these plastics float in the oceans, sunlight and heat cause them to release greenhouse gases. These greenhouse gases cause the planet to warm. Preventing plastic from getting into the ocean will consequently lessen the release of greenhouse gases worldwide.

How could this paragraph be improved?

the addition of commentary
the inclusion of supporting evidence
the addition of a topic sentence
the inclusion of a recommendation

B)  the inclusion of supporting evidence

Explanation:

Pollution is the emission of volatile organic chemicals, such as greenhouse gases, from recycled plastics. Recycling includes melting old polymers and reshaping them into desired shapes and sizes. Melting releases volatile carbon fumes into the air, which mix with oxygen to produce carbon dioxide, which is then discharged into the air, increasing its concentration. Excess carbon depletes the ozone layer, causing the earth's atmosphere to heat up. The melting of arctic ice raises sea levels and changes sea waves. Ocean pollution is anticipated to have health consequences on creatures that rely on the water for food and habitat.

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would cloning of animals be allowed to prevent extinction?