A United States Quarter has a diameter of 24.26 mm and a Reeded edge of 1.75 mm. Both stacks below have 20 quarter each. Find the volume of stack of quarters.

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare

Both pictures below were taken at the same time of day, but one picture was taken in summer, and the other in winter. how can you tell which is in winter