4) Select all the terms according to the subatomic particle of an electron. OA) exists in nucleus
OB) negative charge
OC) bound by strong force
OD) moves at extreme speed

it would only be the stuff in module eight so you need to study all the lessons in that you also could check the flvs

hope this : )

sup bro, im dumb, but this is what i found xd

"the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface"