Question

a paragraph
about one of the following topics:
1. Global warming
2. Water pollution

Answer 1

Explanation:

Global warming

Global warming is the long-term heating of Earth's climate system observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere.

Global warming stresses ecosystems through temperature rises, water shortages, increased fire threats, drought, weed and pest invasions, intense storm damage and salt invasion, just to name a few. Some of Australia's great natural icons, such as the Great Barrier Reef, are already threatened.

Global warming, the gradual heating of Earth's surface, oceans and atmosphere, is caused by human activity, primarily the burning of fossil fuels that pump carbon dioxide (CO2), methane and other greenhouse gases into the atmosphere.

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Answer 2

Answer:

Global warming is the increase in the average temperature of the earth’s atmosphere. It is caused by the rise in carbon dioxide levels in the atmosphere, which leads to an increase in temperature. Global warming has been accelerated due to mass deforestation activities by man. Plants use carbon dioxide to prepare their food and release oxygen as a by-product. So, if we have enough plants, they will absorb the excess carbon dioxide from the atmosphere and decrease the rate of global warming to some extent. Planting more trees can reduce the carbon dioxide levels in the atmosphere and will result in a decrease in global warming.

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