Spiral galaxies often appear bluish due to an abundance of
a. old stars.
c. young stars.
b. black holes.
d. white dwarfs.

Why would the composition of a meteorite resemble the earth's interior?

Solve the equation.8 - 2x = -8х + 14

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