Identify the true statement. a. A deep-sea trench is a wedge-shaped mass of sediment scraped off a subducting plate as it slides under the overriding plate. b. Plate boundaries where subduction occurs are also called passive boundaries. c. Sea-floor spreading behind a volcanic island arc creates a small ocean basin called a back-arc basin or marginal sea. d. A spreading boundary is always in the middle of the ocean basin where it is located.

Why is the future for life on earth bleak?

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

Poling our way along the inky green waterway, we glided upstream through quiet still-water bends in the river, where mats of fragrant white flowers had gathered, closing behind the stern of our 24-inch-wide dugout and concealing any sign of our passage. —eric hansen, stranger in the forest: on foot across borneo, 1998 which of these items in the passage is an example of borneo’s flora? a. “the inky green waterway” c. “mats of fragrant white flowers” b. “still-water bends in the river” d. “the stern of our 24-inch-wide dugout”