They also invented the wheel, a very important contribution.
Answer:
Because the colder it is, the lower the pressure in the tire is. The cold temperature will bring down the tire pressure and cause it to deflate.
In many developing countries, people tend to think that there will be an eternal life after death. So for them, death is not the end.
On the contrary, the people in united states tend not to believe in something like that.
hope this helps
