Answer:
Pathway of air: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli (site of gas exchange)
Explanation:
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Any theory that the structure of the solar system in which earth is assumed to the centre of it all.
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1.An open mind
2.Curiosity
3.Flexibility
4.Creativity
5.Patience and
6.Observation skills
The answer is A. number of pots