HURRY!! Why is Karst topography a problem for groundwater? Water moves too slowly and gets stuck on the way to the aquifer.

Water moves through too quickly and can't be filtered properly on its way to the
aquifer

Water gets diverted away from an aquifer

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

elements make up everything, and they combine to make compounds.

the answer is c

c. electrical charges of ionic bonds.