Viruses go around in the air and bacteria you have to touch
The physical and the behavioral adaptions of the Black tail helped survive the chaparral biome because the ears for heat dissipation to keep cool.
~Jurgen
Answer:
Virus
Explanation:
Hepatitis C virus, a member of the Hepacivirus C species, is a small, enveloped, positive-sense single-stranded RNA virus of the family Flaviviridae. The hepatitis C virus is the cause of hepatitis C and some cancers such as liver cancer and lymphomas in humans
They are sensitive to changes in arterial carbon dioxide, oxygen and Ph.
Explanation: