Arctic and Antarctic crossword

An adapted animal with a white coat on?
What do houses in the Arctic have under them?
A well known animal native to Antarctica?
An animal with more than 33 species and begins with S?
A solid that can melt into water?
What is the problem that involves the sun and the world getting warmer?
An adapted animal that can survive a long time without any food?
What do people in the Arctic rely on to pull their slays?
What type of bird lives in the Arctic?
What is the line called that has the hottest countries next to it?
In the summer, what does the Arctic and Antarctic constantly have?
What do people build to live in that is made out of snow?
What is one of the most dangerous animals in the Arctic and Antarctic sea?
What forms from freezing water hanging down from something?
What can people use to slide down mountains quickly?
What electronic vehicle can people use to get around on the ice quickly?
What type of owl lives in the arctic?
What do people think the arctic is but it is not?