Answer:
A frame structure is a structure made up of many rigid parts joined together to form a 'framework'. These different parts are called members. Shell Structures. A shell structure is more enclosing than a frame structure - it surrounds and encloses something.
<span>Metamorphic rock can change into igneous orsedimentary rock. Igneous rock forms when magma cools and makes crystals. Magma is a hot liquid made of melted minerals. ... On Earth's surface, wind and water can breakrock into pieces.</span>
The answer in my opinion is d. how seismic waves travel; because for the other answer choices, they have nothing to do with earths interior.
Answer:
D.
Explanation:
Honestly I'd say go with C since it's the simple answer according to a quick google search sooo.. good luck.
