Er Sem A
The Study of Earth Science
Practice
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Earth is comprised of four systems, or spheres. Which of these spheres do each of the five branches of Earth Science study?

Which of the following areas have the highest population density? a) quebecb) united statesc) californiad) new york city

Dentify one advancement from the industrial revolution that had a significant impact on agriculture, and discuss the benefits this advancement had on the industry.

Click the item in the left column. use the plus sign to move it up or the minus sign to move it down until it matches the correct entry in the right column. lock your answer in place by clicking the square beside the item. (a checkmark means it is locked.) amazon basin a atacama desert b andes mountains c lake titicaca d peru e patagonia f brazil g chile h suriname