Question

Fill ups: (pollution: a global threat)
1) gradual increase in temperature of the earth's surface and lower atmosphere is called ________.
2) undesirable substances that cause water pollution are called ______________.​

Answer 1

1. Global warming.

2. Water Pollutants.

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hope it helps you.

Answer 2

Answer:

1) Gardual increase in temperature of the Earth's surface and Lower atmosphere is called Global warming

1) answer: Global warming

2) Undesirable substance that cause water pollution are called water pollution

2) answer: Water pollution

I hope answer is helpful to us