system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How does it take over 600 gallons of water to make a single hamburger?
gpt
Most of the water is used to raise crops like alfalfa, which are then used to feed the cattle all their lives, which are then killed to make meat. (The cattle drink every day too.) So it's a very indirect, wasteful process.