How does groundwater create caverns?
What will be an ideal response?
Caverns are created at or just below the water table when acidic groundwater comes into contact with soluble rock, such as limestone. The groundwater follows lines of weakness in the rocks, and as time passes, the rock is dissolved. This dissolving process slowly creates cavities and generally enlarges them into caverns.
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Increased atmospheric carbon dioxide threatens coral reefs by ________
A) decreasing the temperature and increasing the pH of the oceans B) increasing both the temperature and the pH of the oceans C) increasing the temperature and decreasing the pH of the oceans D) decreasing both the temperature and the pH of the oceans
Which of the following will have the highest electrical conductivity?
A) 0.1 M NaCl B) 0.2 M NaCl C) 0.3 M NaC2H3O2 D) 0.4 M NaC2H3O2
The North Star is called ____________________
Fill in the blank(s) with correct word
According to the producers of the genetically modified salmon, the meat _____.
a. looks and tastes the same as unmodified salmon b. has a distinctly different color from unmodified salmon c. has a distinctly different taste from unmodified salmon d. tastes like chicken