Population growth has affected earth a lot based on the pollution we give out. We have also given chances for technology to advance because of population growth and the more and more people who try are the more people who advance with technology. Technically is helpful and allows many things to be simpler than they used to be back 50 years ago hope this kinda helped!
Earth is at perihelion when it is closest to the Sun, sometime after the Dcember Solstice.
The Hoover dam, and it is used for flood and silt control, hydroelectric power, agricultural irrigation, and domestic water supply.
