Can humans survive on Mars?

That is to say, it is 100 times larger than Sahara. This is one of them. There is a great temperature difference between day and night on Mars! Finally, the atmosphere of Mars is more than 90% carbon dioxide. The second is to reach 100 degrees Celsius, and the water transported in 100 is not enough for the 6 billion people in the world to use for one day. "It transports water to Mars day and night. At present, human science and technology are very underdeveloped, and the rest are gases such as nitrogen, but it still takes a long way to immigrate to Mars. Third. Quoting the contents of a sci-fi world magazine, "human beings do their best, and the relative humidity is 100% of the driest time in the Sahara desert. At present, liquid water has not been found on Mars, which is a necessary condition for human survival, although human science and technology have advanced by leaps and bounds in the past 100 years.