Answer:
A.certification
When someone completes their degree or something they get a certification.
Answer:
paying attention to details, aware hearing, pacience
Explanation:
once i was providing information to a student (english class),i realized that the way he creates his ideas was very slow and trembling, when i asked him to read a piece of a paragraph i saw the same behaviour so i decifrated the problem was into reading word by word without conecting all of them with a constant pace until a coma or dot because we do interprate things holisticly and not individually so thanks of a pacient and responsive hearing i could saw his improvement in just one class!
ANSWER: CASE-CONTROL STUDY
EXPLANATION:
An epidemiology expert will make use of a Case-control Study for proper determination of association or linkage between the oil spill and the disease outbreak (arthritis).
Case-control Study provides an observational experiment between two existing groups (two reservoirs) differing in outcome (affected and not affected), they are highlighted and compared on the basis of a context (disease outbreak; arthritis).
However, the known group is regarded as the control group and it provides a substantial guide to the confirm the validity of other experimental groups in relation to the general context (outbreak of arthritis).
