because of the harsh climate
they travel in packs
an arctic fox can travel up to 30 miles per hour
do arctic foxes live in packs- no
It is difficult bacause they have no vehical to go, so they have to walk. B
sound travels the fastest in solids and slower in liquids and even slower in gases and cannot travel in vacuum..so its most difficult for the sound to travel in gases
yes
The distance is huge. It takes many years to travel such distances with our present level of technology.
because there is not much firewood but many people in the Arctic use a plant
why was travel across the Sahara desert difficult
Cold (or Arctic).
So that they can live. If it gets too cold outside, and they don't get their blood pumping, they will most likely die.
why was travel across the Sahara desert difficult