Most areas of tundra have less than 250 mm of annual precipitation (they are often called &quot;cold deserts&quot;).
(Most areas of tundra; have; less than 250 mm of annual precipitation (they are often called &quot;cold deserts&quot) (they; are called; cold deserts&quot; T:often) (they; quot; T:often)
Most areas of tundra they they
have are called quot
less than 250 mm of annual precipitation (they are often called &quot;cold deserts&quot
cold deserts&quot T:often
T:often