This map shows the amount of groundwater (gw) in parts of pakistan. farmers in pakistan once relied on rivers and canals for their water supply, but as cities expanded and populations grew, more farmers used groundwater for their crops. when this map was made, there were no laws restricting how many wells could be built in pakistan to remove groundwater. what would be the best solution to pakistan conserve their water supply?

The answer is; Creating policies limiting the number of well that can be sunk in the region.

When too much water is drawn from groundwater than is replenished by percolation of precipitation, then the water table will lower and will require even deeper wells to reach it. A lower water table is also associated with drought.  

The answer is D.

Explanation:

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the answer for sodium is 0.186

the answer for rubidium is 0.251

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.