According to the Household Quintile Income graph, the bottom 20% (Quintile 1) of the U. S. population earn
of the household income.
53 percent
47 percent
8 percent
3 percent

This is what i did 45-5=4040÷4=10so there are 10 white marbles but am not sure is just a question that am not sure

Apicture would .

An ecosystem is in a certain area and includes living and non living plus there is weather conditions and a biome is a large amount of area with similar climate.so ecosystem is based on weather and biome is based on the average climate