Answer:
Certification.
Explanation:
Certification is the formal attestation or confirmation of certain characteristics of an object, person, or organization. This confirmation is often, but not always, provided by some form of external review, education, assessment, or audit. Accreditation is a specific organization's process of certification.
Ulcers. These are sores that develop in the stomach or duodenal lining.
Answer:
an ear infection, consequence of other previous infection
Explanation:
In some cases, when the babies start with respiratory infections, the antibiotic can act in the respiratory system, but if there is some bacteria that can travel to the ears and grow over there, it can reproduce and cause an ear infection, as a consequence of a bad treatment of a bad care of the first infection.
Answer:
I'm pretty sure its Skeletal System
Explanation:
