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.
Boys and their friends are more likely to engage in structured activities, while girls and their friends are more likely to engage in unstructured activities.
side note: I do not know what course you are in, but these answers were from a documented textbook from High School curriculum.
Answer: Earth
Explanation:
From the description of the image above, Earth is the planet with the smallest inner core with Earth's inner core comprising of only 5% of the Earth.
This is in contrast to Mars (largest inner core) , Mercury (second largest) and Venus. The gas giants do not seem to have any inner cores in them.
Donaldtrumpism is the belief of restricting immigrants from entering a country.