Question 1
Identify what is pictured here:

◦ black smokers
◦ rift valleys
◦ hydrogenous flow structures
◦ guyots
Question 2
Most of our table salt comes from ________.
◦ combining the metal sodium and the nonmetal chlorine gas in a chemical reaction vessel to make pure NaCl
◦ China
◦ salt obtained by evaporating seawater in dry climates
◦ salt taken from mines