1
someone who studies the history of earth and its life through rocks and landforms
2
the place where a plant or animal normally lives and grows
3
extensive area of flat high ground
4
a category of biological classification
5
animals that nourish their young with milk
6
deep narrow valley with steep sides and often with a stream flowing through it
7
mountain, valley or canyon wall that is nearly perpendicular is
8
very great in size
9
a circular edge or border of something
10
a barrier that confines a body of water
