you could bring crops to grow and they will give off oxygen
Well, you would need something to hold the water and something to heat the water...
boil some water and you would be produce water vapour or water gas as it evaporates
You could bring a Bible. But it would be nice to bring a keepsake - like something your grandmother gave you or something you cherish. Look around your room and find something you would save in case of fire. Maybe a photo album.
I would bring a small backpack to hold all your belongings. If you are going to the water park I would bring a bathing suit, towel, and flip flops or water shoes. It's your best bet to bring sunscreen! If you are getting drinks and food there you don't need to bring that stuff. (Note: Lot's of money for food) and if you want you can bring sandwiches, drinks and snacks to eat throughout the day. Make sure you pack something that won't go bad in the heat. MAKE SURE YOU BRING WATER TO STAY HYDRATED!
water
Diffusion.
you would need to bring a swim suit some sun screen and clothes and water
A stopwatch or a timer would be suitable to measure the time it takes to bring water to a boil.
Money for beer.
You would have to live in a tent with lots of shade so you would not get burnt, you need lots of water and food to survive, transport and I would always bring something with me to keep me busy in spare time like a book or a Nintendo or something, but for a Nintendo, you don't have electricity, then you can not charge it.
-- It would float in the water, with part of it above the surface. -- It would hang just below the surface, or at whatever depth you placed it. -- It would sink down through the water like a rock.
Water