Which best states the theory of plate tectonics? a. earth's surface is made of different sections of rock that move apart and collide. b. earth's continents were once joined together as one land mass. c. earth's layer consists of the crust, the mantle, the outer core, and inner core. d. earth's most active volcanoes and earthquakes occur in the ring of fire.

Which volcanic eruption caused the most deaths

How did the korean war impact the elections of 1952?

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies? a. it's a region that exhibits a weak gravitational pull, thus maintaining a safe distance from the sun. b. it's an area that doesn't experience any major weather events that could cause mass extinctions. c. it's an area that's an optimal distance from the sun for potentially supporting life. d. it's a region that's unaffected by asteroid or meteor impacts.