93AU from the surface of the sun, or the third planet out from the surface of the sun.
I think it's lithosphere thanks for posting your questions on Brainly
A dependent variable is how they are recording, measuring or keeping track of the science experiment their doing.
A independent variable is the things/types there using to compare what is the most/least affective in the experiment.
A controlled variable is something that stays the same in the experiment or a group/set used for comparison
