Which of the following was a result of the low wages paid by factories in the late 1800s? a. an increase in child labor b. a decrease in labor unions c. a decrease in working hours d. an increase in the price of goods

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.

use wikipedia, i think they have this.