You didn’t give any options but i’m assuming it’s “oxygen”
The air and water are polluted
The greenhouse effect is the rise in temperature that the Earth experiences because certain gases in the atmosphere (water vapor, carbon dioxide, nitrous oxide, and methane, for example) trap energy from the sun. Normal warming is mostly caused by natural gases.
Peru is a mixed kind of economy because being a developing nation it primarily depends on the service sector jobs followed by agriculture and manufacturing.
It has both capitalist market and private ownership regulated by government.
Answer: There is no question here, please specify so that I can help you
