Answer:
Plantae, Archaebacteria, Eubacteria, and potentially fungi. I say potentially because I am not 100% certain if all organisms falling under the category of fungi contain cell walls.
The tilt of the earth's axis, which essentially "turns" certain parts of earth so that some parts receive more direct sunlight
Answer:
A rainbow is caused by sunlight and atmospheric conditions. light enters a water droplet, slowing down and bending as it goes from air to denser water. The light reflects off the inside of the droplet, seperating into its component wavelengths-or colors when light exits the droplet, it makes a rainbow
I believe that the answer to this question is, that laws can be made to prevent certain things/ amounts of things to be used up.