Depends on the turtle species.
Put the turtle into water and see how much water it displaces. And of course, remove the turtle from the water when you're done.
No. the ammonia levels for fish water are different than in turtle water and are meant for larger quantities of moving water. To suit the habitat need of a turtle yo should find the correct turtle treatment.
It depends what kind of turtle it is.Some turtles do not need water and can be kept in a room,or big area.
No, he/she just drinks the water it swims in.
You need somethink like a hampster tank With Big Rocks and Water in a container the turtle can suck on also need turtle food im not sure where you can get it but try Rite Aid
Water if your turtle is aquatic or sand if it's a land turtle, a large rock for basking, a food dish, fresh water dish, and a basking lamp to set on top. Plastic or real plants are not necessary but make the habitat more appealing.
water or sometimes air
U need water bottles tape and milk or mountain dew jugs
Yes I think they need to be able to come out of the water & stick their head out. 5-6inchs till it gets biger
A snapping turtle will need a box or aquarium to live in. He will need food and water and some rocks and plants.
This is something that needs pictures and more information. Do you have a basking spot for your turtle? Why species of turtle is it? How much water does it live in? Does your water have a lot chlorine? How old is it? Is it an albino turtle? Is your turtle wheezing or have mucus coming out of its eyes or nose? There is so much information needed before anyone can even begin to answer that question for you.
Your turtle will be in the water not moving a single bit.It wont move for days wich is why you need to feed it.