Which part of a stream’s load moves the slowest?

What factors led to europe's global dominance in economic and political factors? what impacts did that dominance have on other peoples and environments?

There is only one climate type in motion across the world at a time

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.