For Scientists, One Bar Is

question 9

Multiple Choice

For scientists, one bar is

• A) equal to the distance from one end of a continental plate to another
• B) the pressure with which 1 square centimeter of the Earth's atmosphere presses down at the surface
• C) the average height of the ozone layer above the Earth (before we began to deplete it)
• D) the density of the material at the center of the Earth (in solid form)
• E) a place to relax after a long day of making models of the Earth