Jellyfish are forever but fish ain't.
Plus, jellyfish have those tentacle like things attached to thier body and you might confuse em for octopus for that very reason..
but you should really evade confusing em as an octopus cuz octopus might take it as an insult and the next thing you know will be a Kraken taking your house down.. which is pretty tragic :'(
17- the germ theory im not sure a6out this one
18- increased soil erosion
19. Bubonic Plague
20. Regenerate
21. Type of wheat
NACL is the correct answer
No, chloroplasts are only found in plant cells.