Students Are Often in _____ School When the First Romances

question 72

Short Answer

Students are often in _____ school when the first romances appear.

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Definitions:

Alveoli

Microscopic air sacs in the lung.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration, essential for plant photosynthesis but a contributor to global warming when in excess.

Conchae

Curved bony projections inside the nasal cavity that help to filter, warm, and moisten air as it is inhaled.

Pandemic

An outbreak of a disease that occurs over a wide geographic area and affects an exceptionally high proportion of the population.