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What did the ancient Greeks believe about air?
The ancient Greeks believed that everything was made up from air, earth, fire and water. The Greeks had no other ways of knowing about the universe and things we now know.
What is the name of a covered colonnade in ancient Greece?
In ancient Greece, this type of covered colonnade was called a stoa. They were usually open-air structures used by the general public.
What does metu mean in ancient Egypt?
The 'metu' (pl.) or a 'met' (sing.) are a system of channels or ducts in the body which the Ancient Egyptians believed connected the heart to other parts of the body. There were thought to be 22 metu in total and that they ended at the anus. They are mentioned in the medical papyri (e.g. Ebers Papyrus). It is not understood exactly how to interpret the metu in the light of modern knowledge as they are said sometimes to carry blood and sometimes air and sometimes neither. They were believed to also carry disease in the body and be responsible for illness or infection.
What did the Ancient Carpenters bring to the Greek Agora?
Very little other than goods for sale - the Agora was an open air marketplace.
How are jars hermetically sealed?
Jars are hermetically sealed to keep all air out of a container to stop a substance from expiring or going bad. They are often hermetically sealed using heat, once all oxygen is drained out of the jar heat is often applied to make sure that there is no air leaks. Some jars will even contain an oxygen neutralizer or a freshness packet that gets rid of all air that got in after being sealed.
