Answer:
It introduces the body to a virus strand(s) to initiate internal resistance, which is created after a variety of metabolical processes. The idea is that the body would develop immunity to the virus without actually "getting" the virus.
Explanation:
Pulmonary vein
Aorta
Pulmonary artery
Vena cava
Answer:how can chemosynthetic organisms help scientists to understand how life developed on earth? for example, temperature, a species may evolve to a temperature change over time. it could alter the food sources available, and then that species would eat that food source and adapt to the energy given off by that source.
Explanation:
