What do non polar molecules have in common? what do polar molecules have in common?!

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

Identify and describe the three ways that mutations affect organisms.

How do you convert 4 mmol of bromobenzene to ml?