Which phrase defines an aquifer? A. the total amount of precipitation that falls on an area in a year B. the network of streams
and rivers that flow into a large river C. a lake or a pond that is used to store water D. an underground geological formation that contains a large amount of water
If you need half the volume, you need double the pressure (V * p). Normal air pressure in the atmosphere is 101300 Pa so that means you need double that, thus 202600 Pa (or 2,026 bars)
