Answer:
Disinfection and sterilization are essential for ensuring that medical and surgical instruments do not transmit infectious pathogens to patients.
Answer:electron,atoms,molecules
Explanation:
B) Chorion
(Chorion Frondosum, which ultimately develops into the placenta.)
Answer:
It just depends, some things like strep throat, need antibiotics to be treated because it can cause severe organ damage. But there are some viruses and bacterial infections that the immune system can destroy just fine without antibiotics.
