Which statement is true about energy changes?
a.
energy can be created and destroyed.
b.
energy cannot be created or destroyed.
c.
energy can be created but not destroyed.
d.
energy can be destroyed but not created.

Astronomers studying the planet of rhombus have detected sedimentary rock on its surface. one astronomer wonders if material in this sedimentary rock used to be in igneous rock deep in rhombus’s interior. can igneous rock become sedimentary rock? explain your answer.