Answer:
They roll in a pool of muddy water to avoid fly bites
Explanation:
Moose is the largest species of deer and inhabits the northern regions of Europe (Scandinavia), Siberia, Canada, and a large subspecies - the great moose - inhabits Alaska.
The moose is one of the first domesticated domestic animals. It was domesticated a long time ago - it is believed that it was about 4-5 thousand years ago, maybe even earlier.