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Ksenya-84 [330]
3 years ago
15

Help with these 3 please

Biology
1 answer:
MariettaO [177]3 years ago
6 0

Answer:

1. Carbon dioxide.

2. Human activities such as :-

1. burning of oil

2. Coal and gas

3. deforestation

3. we can use pie chart as well as graph to represent this.

Thank you....

Have a good day....

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