Jawaban:

1.what is an Environmental problem ini your city?

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Air and water pollution and waste are the main environmental problems in most cities. The underlying causes of air pollution of the city are the processes that are associated with the burning of fuesel

2.why is harmful? write at least two reasons.

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• Causes and Effects of Climate Change

Fossil fuels – coal, oil and gas – are by far the largest contributor to global climate change, accounting for over 75 per cent of global greenhouse gas emissions and nearly 90 per cent of all carbon dioxide emissions.

•As greenhouse gas emissions blanket the Earth, they trap the sun’s heat. This leads to global warming and climate change. The world is now warming faster than at any point in recorded history. Warmer temperatures over time are changing weather patterns and disrupting the usual balance of nature. This poses many risks to human beings and all other forms of life on Earth.

3.what are two solutions to this problem?

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•A quadratic equation has two solutions. Either two distinct real solutions, one double real solution or two imaginary solutions. There are several methods you can use to solve a quadratic equation: Factoring.

•called roots. These two solutions may or may not be distinct, and they may or may not be real.