The volume of air that remains after normal exhalation is the….. a. tidal volume
b. residual volume
c. inspiratory reserve volume
d. expiratory reserve volume

How many cells are our body made of ? ♡

Where would you expect to see seedless plants, such as ferns and mosses? a. in a botanical museum, because they are all extinct b. low and close to the ground in a moist environment c. climbing high while circling the branches of another plant d. deeply rooted in a forest with a trunk that reaches 20 meters or more

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?