Landfills are one source of CO2. As garbage decomposes, it releases CO2 into the air. Can you think of at least one way that humans can reduce the amount of trash they dump in landfills?

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i think that c)gold was found there

but i am not sure

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

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