______ is the rigid outer layer of the Earth

(a)

core

(b)

mantle

(c)

Crust

(d)

inner core

________ layer is made up of liquid iron

(a)

Inner core

(b)

Outer core

(c)

Mantle

(d)

Crust

Magma is found in the ______ 

(a)

crust

(b)

mantle

(c)

core

(d)

None of the above

Diastrophism is connected to______

(a)

volcanism

(b)

earthquakes

(c)

tectonics

(d)

fold/fault

The movement of tectonic plates is induced by _____  energy.

(a)

hydel

(b)

thermal

(c)

wave

(d)

tidal