The last one, " Scientists predict a volcano will erupt based on current volcanic activity." This one is false because they actually predict a volcanic eruption by the volcanic waves and other complicated things.
Your answer is B. Good luck with the rest of your homework!
It seems you forgot your options, but here are some things found in a chloroplast:
grana
Granal thylakoids
Stroma
Nukleloids (DNA rings)
Ribosomes
Starch granules
membranes
Now, some examples of thing NOT found in a chloroplast:
Endoplasmic Reticulum (that's another organelle)
C.All living things are made of the same elements