If you find yourself without water, electricity, and food, the first step is to stay calm and assess the situation. If you are in a safe location, you should look for nearby sources of water and food, such as streams, ponds, or edible plants. If you are in an unsafe location, you should find shelter and look for help. If you are unable to find water, you should conserve your body's fluids by reducing physical activity and avoiding direct sunlight. In addition, you should try to find alternative sources of energy, such as solar panels or wind turbines, to provide power for basic needs.