Answer:
conservation of natural resources
Explanation:
You're trying to save resources, all the other options cause harm
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 :'(
Answer:
they make a quick profit for farmers
Explanation:
cash crops are crops that are use to earn money after they are harvested
The answer is greenhouse effect