Ocean currents are caused by all of the following except: underwater landslides surface winds tidal fluctuations density contrasts in seawater

Often, caries will develop in an area of the tooth that's not readily accessible. which cavity preparation form defines this? a. retention b. resistance c. outline d. convenience

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?