Obviously you have never seen Survivor man. you could kill a jack rabbit, or you could pee in a whole and let it evaporate.
water a person can live 30 days with water but only 3 with food.
Skulduggery
The desert has plenty of insects and arthropods that are food for many lizards. Much of the water needed by the lizard is in the food they eat.
I'm assuming you are stuck on a desert island, with only your computer and internet access. First, I would gather food. Then, email your mom and ask for help. Then, use your salt to blind the rescue people that come for you and escape with their helicopter.
water and food
yes there is, you can get the water from the cactus.
It would have been impossible to support a civilization the size of Ancient Egypt in the desert, for one they couldn't grow food to feed the population and two there were no significant water resources from which to draw from. Therefore they stuck to their life line on the Nile River.
Water, Shelter, Food.
a desert
Some animals get their water from the food they eat.
the first thing i would bring is lots of water, lots of food and a t.v
About a week