The gently sloping seafloor just off the shoreline is called the *
A. Oceanic trench
B. Mid-ocean ridge
C. Continental shelf
D. Coastal slope

Humans get water from aquifers from
A. springs
B. drilling wells and waiting for the water to come up
C. drilling wells and pumping water
D. all of these

Which tides have the smallest tidal range?
A. High Tide
B. Low Tide
C. Spring Tide
D. Neap Tide​