This is the greatest source of oil in the marine environment?

Which of these is most dense?

At what temperature does water freeze?

Organisms that can tolerate a wide variety of salinities?

This is the measure of the average kinetic energy of atoms?

This type of boundary happens when two plates slide past each other?

This type of boundary creates new oceans?

Which of these is the least dense?

This person travelled on the Beagle and came up with a theory on how atoll’s form and how evolution occurs through natural selection?

He developed a time piece that maintained accurate time at sea in 1761?