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Answer:
Eratosthenes
Explanation:
When the geographers of the Greek era started estimating scientifically the circumference of the earth, a huge impulse was given to the cartographic science.
They didn't see land as something someone can own. They adapted with the environment they were living at, and made them very close to nature. Environment affected their shelter, food, clothing, and education.
Answer:
Bellows
Explanation:
A bellow or pair of bellows is a device constructed to furnish a strong blast of air. The simplest type consists of a flexible bag comprising a pair of rigid boards with handles joined by flexible leather sides enclosing an approximately airtight cavity which can be expanded and contracted by operating the handles, and fitted with a valve allowing air to fill the cavity when expanded, and with a tube through which the air is forced out in a stream when the cavity is compressed
