Why would increased levels of greenhouse gases contribute to higher temperatures. on earth

The tea bush grows best in east asia’s zones.a) arid and semi-arid.b) arid and tropical .c) tropical and subtropical.d) humid continental and subtropical.

What does 2[tex] {2}^{ - 4} \times {2}^{ - 2} [/tex]

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.