I believe that they like the warm weather and hibernate in the cold weather.
Tortoise eat lettuce. Lettuce = live.
wear gloves!
Yes, there are desert tortoise.
The galapagos tortoise live in the galapagos island
Tortoise
They live in desert reigons.
In the dessert.
Yes.
Yes
there are tortoises and turtles tortoises live on land and turtles swim and sometimes live underwater
Different species of tortoise should not be kept together. While it is unlikely that they would object to each other, there is a problem with the fact that different species of tortoise have different bacteria in their gut. The bacteria from one species can be dangerous to another. You say you keep your tortoise in a tank, please note that this is not a healthy environment for a tortoise. They should be kept in an outdoor enclosure, weather permitting, and on a tortoise table at other times. Visit www.tortoisetrust.org or www.tortoisefirst.com for more information.
Yes, there are a number of tortoise species around the world adapted to deserts and arid lands.