A: they have a sparse population
In the absence of an atmosphere, Earth’s surface temperature would be about –18°C, or 0°F, which is way too cold for life. Greenhouse gases have just the right molecular structure to absorb infrared radiation that the Earth emits. It re-emits most of that infrared energy in all directions, warming the atmosphere to its comfortable average temperature of 15°C (60°F). So the greenhouse effect is a good thing.
In my opinion no it is not necessary to do people there doing a good job. But it does make the other person feel better . But you cannot give a person to much glory for then they will only strive to hear good feed back and not be use to hearing constructive negative comments .
Answer:
Some flowers with dark blue petals and some with white petals.
Explanation:
