Island home to mysterious stone figures carved from hardened volcanic ash

What is associated with mid-ocean ridges?

What is the "great pacific garbage patch"? (a) a large area of marine debris concentrated by rotating ocean currents (b) a large area around the pacific rim where debris collects from natural disasters such as tsunamis (c) an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability (d) a large trash dump located in hawaii

The process by which liquid water changes into water vapour is called what ?