13: saliva (option B)
14: Tongue
15: esophagus
16: stomach
17: enzymes
18: chyme
19: small intestine
I would say they both fall into the category of pseudoscience.
Answer: Infectious diseases are caused by pathogenic microorganisms, such as bacteria, viruses, parasites or fungi.
Explanation: No idea
Yes, the answer is relapse.
Out of all of them i would say <u>A. 5th month or 24 weeks</u> is the earliest a child can be born. They would have about a <em>40% - 70%</em> chance of survival.
22 - 23 is possible but it is very rare for a baby to survive.