oxygen and carbon dioxide
falls
The best description is 'a mixture of gases'.
fair weather
typically involving compressed air or gases, an example being compressed air lines that power air ratchets
The best description for tissue is to blow your nose
description of the bronchioles
Trachea (or wind-pipe) to bronchi to alveoli of lungs ... and then back out.
The best description is one that uses vivid words to tell about a person, place, or thing.
hot air ballon
The best description of the government created under the constitution is that it was a federal republic.
Which aspect of the US government is best lilustrated in the cartoon description
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