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)
True, a lot of cultivated fields use fertilizers that can be harmful to fish
Answer:
The answer is population 6 on PLATO.
Explanation:
1) Remove the chemical
2) Remove any contaminated clothes or jewelry
3) Rinse the burn immediately
4) Loosely apply a bandage or gauze
5) Take an OTC pain reliever
6) Consider a Tetanus shot
It would be hypotonic so the second one