<span>Water on Mars exists today almost entirely as ice, though it also exists in small quantities as vapor in the atmosphere and occasionally as low-volume liquid brines in shallow Martian soil. The only place where water ice is visible at the surface is at the north polar ice cap.</span>
The fact that the Mayans were building great buildings in their period of existence, is a proof that they had a very big political power in the region, and not just political, but also military, economic, cultural power.
Only civilizations that are strong, well organized, and political powerhouses, have been able to build such big structures, because they had the conditions and time for it. For building such big structures, lot of wealth is needed, also lot of workers, and great engineers. The Mayans had it all. They had great engineers, the labor force was provided in general by the slaves, or by the the tribes that they were ruling over, and from all the tributes paid to them by the people they ruled over, they had surplus of wealth, which meant that they can perform such activities without damaging the empire.
The answer is United States
Answer: china
Explanation: i don’t have the numbers but if you search up country with highest population it should tell you. sorry i couldn’t help more :(