1) What is this landform? a) Canyon b) valley 2) Crust is the __________________ layer of the earth. a) Outer b) Inner 3) ________________ layer of the earth has lava. a) 3rd b) 4th 4) The innermost or central layer of the earth is called  a) Mantel b) Inner core 5) We live on ______________ layer of the earth. a) Outer core b) Crust 6) Canyons have _____________ sides. a) Slope b) Steep 7) A ______________ is a low land between mountains or hills. a) Plain b) valley

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