What are the conditions? If it is during the hot time of the year and you have no water, you will be lucky to survive more than two days. If you have sufficient water and food and have shelter from the sun you can survive indefinitely.
They would need a lasting water and food supply because the desert is a scarce place, without that, you would die in a matter of days.
Clarification:
Yes, millions of people, including myself, survive living in the desert. In the United States, alone, there are millions of folks living in such desert cities as Las Vegas, Phoenix, Tucson, El Paso, Bakersfield, etc.
A person can live indefinitely in a desert if that person has a water supply as well as shelter and a food supply. Millions of people around the world, (including myself) have lived in deserts for many years.
Depending on the season of the year, the location of the desert and the activity level of the person, one could live 2-3 days in the desert without water. However, if it is quite hot and the person is quite active or in poor health, he could be dead within a day.
Your entire life.
Las Vegas is in a desert.
A human can go a few weeks without food as long as there is sufficient water.
If you start off well-hydrated, three days. If you only move around at night and find plant life for sustenance, maybe four or five days.
If the person has sufficient water and food, he can survive indefinitely. Without water, only a few days.
not long
A Long Time
Humans can survive indefinitely in the desert if they have a water source and food and shelter. Millions of people survive in desert cities and towns for years. Look at Cairo, Egypt, or Las Vegas in Nevada. Myself? I have lived over 40 years in the Chihuahuan Desert and have running water and all the other utilities as well as a Wal*Mart a half mile from my home. I have had no problem surviving.
Not for very long. People cannot survive for very long without water, anywhere.
They can survive indefinitely as long as the food is nutritious and they have plenty of water.
The average human can survive under water for approximately 5 minutes but no more then 10.
2 weeks
This is because they need a lot of water 💦 in order to survive in the desert and they are not well made for deserts because they use quite a lot of water and they may die from heat .
As long as the plant has enough water in it, yes it will live As long as the plant has enough water in it, yes it will live
With sufficient nutritious food and plenty of water, a person can survive indefinitely.
The ability to store water and the ability to survive long time without getting water.
The pet desert can survive without eating for a few months.
Armadillos would not survive a long time in a desert as they avoid it. They much prefer grasslands where it is cooler and a better supply of water and food.