Is the first glass of fruit punch the child drinks a mechanical mixture, a solution, or a pure substance?

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.

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic

The ethnic conflicts in darfur have led to an attempt to destroy a whole people known as