A dot density map uses dots to show the number of people living in a certain area. ratio of land to water in a certain area. types of resources in a certain area. type of climate in a certain area.

The number of people living in a certain area.

Explanation:

Give ln that a Dot Density Map is a form of geographical representation that is used in representing the degree of density in the distribution of specific elements or human population in a particular area over a given period.

Hence, in this case, it can be concluded that a dot density map uses dots to show "the number of people living in a certain area."

the answer is "by providing data about careers and annual mean wages"

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.