Salt water
Kelp
I think you can also use salt
kelp, seaweed, mangroves
No.
Kelp Forests live in salt waters, such as oceans. They can be in water 2-40 feet deep, but sunlight still has to be able to shine through so the kelp can use it for photosynthesis.
Kelp use blades for photosynthesis, where they turn sunlight into food.
animals eat off of it
salt dough
small salt dissolves quicker
Yes
i dont know what about salt.