Matter can be recycled, but energy cannot. Also, only 10% of the energy is passed through each trophic level.
Answer:
"The smallpox vaccine does not contain smallpox virus and cannot spread or cause smallpox. However, the vaccine does contain another virus called vaccinia which is live in the vaccine. Because the virus is alive, it can spread to other parts of the body or to other people from the vaccine site."
[Copy and pasted from a medical website]
PP
where P is dominant for purple flowers
Only after an experiment has been run over and over again to
It would be C chemical change