Which argument supports the idea that viruses are alive?
a. viruses have a cell membrane.
b. viruses contain unique genetic information..
c. viruses replicate in a host.
d. viruses do not produce proteins.

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

This is so important ugh its 25 points

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.