I believe the answer is A. True! Good luck with the respond your homework! Anymore questions you can just comment or DM me:)
I hope you get just as much help with YOUR questions as you're giving other people with THEIR questions.
<span>The aurora borealis (northern lights) form when charged particles emitted from the sun during a solar flare penetrate the earth's magnetic shield and collide with atoms and molecules in our atmosphere. These collisions result in countless little bursts of light, called photons, which make up the aurora.</span>
The answer is CrossBreeding
A controlled variable is not changed throughout an experiment. It is there so that the other variables being tested on can be better understood.
