Answer:
Vaccinations are not always effective.
Explanation:
trust me
D. the pill, the shot, the patch, the ring
Answer:
to compare a sewer overflow withthe human body, a buch of sickle cells can clog the blood stream and may cause the stream to break, and with the overflow a lot of water is in the sewer so the water push out to make it spit out the sewer pipes.
This sexually transmitted disease is caused by a bacterium and is known to cause sores called chancres.
b. syphilis
