Which american geographer helped develop human geography as a part of the geography discipline?

Where is the vascular system located

Which of the layers of the earth has the following three characteristics? i. it is a solid outer layer. ii. it is between 3 and 30 miles thick. iii. it is separated into plates. a. the outer core b. the inner core c. the mantle d. the crust

Plz in a major hurry will give brainlest asapwhich of these would best describe the process labeled p? absorption of heat absorption of elements formation of solar energy formation of new elements