Answer: B. They earned more money than their parents
Explanation:
Child Laborers in the United States was a very widespread practice in the 1800s and early 1900s. These children suffered all manner of abuse and were made to do work that even adults should not do sometimes.
As a result they missed out on school and worked in jobs so dangerous that they risked injury or even death. Some might have made more than their parents if their parents had no job but the money that these children made contributed to the welfare of their family so this was not a negative consequence of child labor.
Answer:
two examples of things studied in the earth sciences are rocks and landscape features.
Explanation:
there's actually A LOT you can learn in earth science, so rocks and landscape features are just two examples. if you want even more specific examples, there's igneous rocks and sedimentary rocks, and there's also landscape features like glaciers and eolian systems (both of these you can find naturally on the earth).