Why does speeth breathing take place in mid- volume of the vital capacity? - So we can talk for a long time on one breath

- There is no specific reason for this phenomenon.

- It allows us to talk louder

- It's most efficient use of passive and active (muscle) force.

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping