PLEASE HELP ASAP IM TAKING A TEST PLSPLS I WILL GIVE BRAINLIEST What special physical property of the upper mantle supports the Theory of Plate Tectonics?

Which of the following is the main purpose of using an anchored network of booms which funnel debris to a collection area?

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