The last option best shows a meteorite.
Meteorite definition: A meteorite is a solid piece of debris from an object, such as a comet, asteroid, or meteoroid, that originates in outer space and survives its passage through the atmosphere to reach the surface of a planet or moon.
Answer:
X=2 Y=12
Explanation:
by simultaneously you can find
B.the study of living organism and how the evolve
Two membranes contain and protect the inner parts of the chloroplast<span>. They are appropriately named the outer and inner membranes. The inner membrane surrounds the stroma and the grana (stacks of thylakoids). One thylakoid stack is called a granum.</span>
