Answer:
A) Letter A should represent igneous rock that is extruded from magma.
D) Letter C should represent metamorphic rock which changes composition under heat and pressure.
E) Letter B should represent sedimentary rock that is buried by layers of sand and deposited material.
Explanation:
Igneous rock comes from magma/lava. Sedimentary rock is buried as layers are deposited. The metamorphic rock is formed when one type of rock changes from one form to another. The single letter options are all right here.
D because it's a system and it starts at the atom in the lung then tissues and...
Yes it can if the paper is light weight but most likely if the paper is heavy nothing will go through it
1. Balances fluids.
2. Structure. Support for tissues.