Comets contain ice.
Ice
Some viruses contain RNA; these are known as retroviruses. Others contain DNA.
solid iron.
Comets contain ice.
Viruses contain either DNA or RNA.
Yes they do!
yes
viruses: neverbacteria: most no, some yes
Ice, rock, gas, and dust. I think it is made out of water, ammonia, methane, carbon dioxide, rock, and metallic material
yes, viruses contain proteins and nucleic acid.
bactieria is the substances that contain viruses.