Write true on the line is the statement is correct and face if the statement is incorrect.

a. The Earth's crust is made up of a mantle and a core only
b. A Metamophic rock is formed from sediments
c. The rock cycle shows how rocks change and are formed
d. An igneous rock is formed from volcanic eruptions
e. One example of a sedimanetary rock is chalk

A. False. It is also made up of Gutenberg discontinuity,Mohorovicic Discontinuity,Hydrosphere & many othersPS: The crust is also called Lithosphere.
B. True. Metamorphic rocks are created by the physical or chemical alteration by heat and pressure of an existing igneous or sedimentary material into a denser form
C. True.
D. True. Formed by crystallizing melted material (magma)
E. True.

Sorry for the long explanations. Hope it helps!! :)

The answer is b im not sure 

Answer carbon dioxide ice;