3. Because atoms are so small,

Answer"

because atomic radii are so small they are expressed in a unit that is more convient for the size of atoms, this unit is called picometer. another unit is called the unified atomic mass unit and is used to express the mass of atoms.

Explanation:

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.