74. is the charge of a nucleus positive, negative, or zero?
the charge of an atom?
j

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

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.

What layer of the atmosphere is directly above the troposphere?