Ageographer studying an ecosystem would look at?

1. antarctica2. saudi arabia

Answerwill have thinner; have thicker oceanic sediments;

Answergovernment control over all imports and exports;

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!