A submarine dives to a depth of -200 feet. which of the following equations represents the submarines depth in feet

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

If a population is growing quickly in a small area then what must increase as well

If scientists only detect p waves in a certain layer of earths interior what does that tell us?