The affect salt water has on a body is that you can dehydrate faster or quicker it is very harmful cause drinking to much can and will kill you
Both are living things
animal breath in oxygen produced by plants and the plants take in the corbon dioxide brethed out by the animals and they bath need water to live
hope this helped you :)
You’ll find someone, it looks like you’re still in secondary school, you have plenty of time, don’t try and rush it :)