Answer:
Retrospective cohort study
Explanation:
A cohort study is the study where people are grouped according to the factors they have been exposed to. The cohort is the group.
A retrospective cohort study is the study where the cohort who has been exposed to certain factors is compared with another cohort who has not been exposed to the factors that the first cohort has been exposed. This study is a long term study.
Here, the people's health of those that have been exposed to benzene will be compared to the the people who have been working there after 1970.
Hence, here a retrospective cohort study will be done.
Answer: Retrieval cue.
Explanation: Retrieval cues are scenarios, events or stimulus which triggers a person's memory. It aids or assist in recalling information stored in a person's long term memory. It also assist or aids in awareness or bringing hidden or forgotten task into cognizance by observing or encountering stimulus or events similar to such task.
Marco's memory about an unfinished laundry chores was triggered by observing a stimulus of laundry commercial.
true Great Britain is an example of a core nation
Answer: Perform experiments to test your hypothesis.
Explanation:
Experiments and hypotheses go hand-in-hand. Hypotheses, which are proposed explanations for scientific observations,
Experiments are designed based on the measurable variables defined in a given hypothesis.