Can someone help me?? I'm almost give up now.. (science)

6. the two primary purposes for sending business messages are typically to and

Hhhhhhhhhheeeeeeeeeeeeeeeeeeeeelllllllllllllllpppppppppppp me

It's timed! overpopulation can affect the natural environment • limiting land available for crops.• lowering the standard of living.• causing the destruction of forests.• worsening sanitation in cities.