Chapter 9 - APES question n answers graded A+ 2023/2024 already passed

Chapter 9 - APESWhere is groundwater found? within impermeable layers of rock called aquifers What is the difference between unconfined aquifers and confined aquifers? Unconfined aquifers have water flowing in and out while confined aquifers have permeable rock or clay making it hard for water to exit or enter Brainpower Read More What is a water table? the uppermost level where water in a given area fully saturates rock or soil What happens during a groundwater recharge? when rain recharges an empty aquifer How do springs form? when water from aquifers percolates Name one way water can be obtained from aquifers. through wells Which aquifer is more likely to have chemicals, unconfined or confined aquifers? unconfined aquifers because they are open to any type of water flowing in What is the cone of depression? an area where there is no longer any groundwater What happens when saltwater mixes with fresh water? Saltwater intrusion What are the three largest rivers? Amazon, Congo, and Yangtze Are floodplains fertile land? Yes. How are ponds and lakes formed? tectonic activity and glaciation What is oligotrophic, mesotrophic, and eutrotrophic? lakes that lack nutrients, have medium content of nutrients, and have high level of nutrients/productivity What do droughts affect? nutrient cycling and soil fertility What are impermeable surfaces and give an example. do not allow water penetration, leads to floods. Example: pavements or buildings What are levees? enlarged banks built up on each side of the river, reduces the risks of floods What are some reasons why levees are not beneficial? natural floods don't add fertility to AG, sediments settle near oceans, floods move to different areas What are dikes? similar to levees, prevents ocean water from flooding land What are dams? barrier that runs across a river/stream to control flow of water What do dams hold water for? human consumption, generation of electricty, recreation, and flood control Facts about Gorges Dam include...