The U.S. has more than 87,000 dams greater than six feet high (and two million overall). While many dams continue to provide benefits such as flood control, irrigation, and water supply, for other dams the cost of maintenance or the negative effects on communities, fish, and tribes justifies their removal.
Dam owners and regulators decide whether to remove a dam by weighing many factors including: the cost of removal and the ability to replace any lost power generation against avoided long-term maintenance; safety concerns; benefits to endangered fish populations; increased recreational and commercial fishing; and restoration of cultural values of nearby tribes.
By 2020, roughly 70% of dams will be more than 50 years old, inviting us to reconsider the value to the public of long-term investments in this infrastructure.
Cumulus cloud has the cauliflower structure
The South is known for growing these things(Can I have brainliest?, I need more to level up)
The clothing is different, in South India women generally wear sari whereas in North India women generally prefer salwaar kameez or chudidar. The architecture is different as well, In north india there are a lot of islamic inspired buildings. The food is different as well, in north india they eat a lot of wheat based foods and in the south they eat a lot of rice.<span />
The answer is: [A]:
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"A groundwater storage area between two impermeable layers of rock."
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