Midnight Zone

MIDNIGHT ZONE The area of the ocean beneath the twilight zone, extending from 3,000 feet (1,000 m) down to the ocean floor, where only about 1 percent of marine life can survive.

Multi-Pane Windows

Multi-Pane Windows A window with more than one pane of glass. Dual pane windows are fairly common, and triple-pane windows can sometimes be found in cold climates.