Who would win?

Author
Pallotta, Jerry
 
Author
Publisher
Scholastic, Inc
Pub. Date
[2016]
Language
English
Description
Author
Publisher
Scholastic
Pub. Date
2016, c2009
Language
English
Description
3)  Polar bear vs. grizzly bear
4)  Hammerhead vs. bull shark
Author
Publisher
Scholastic
Pub. Date
©2011
Language
English
Description
Author
Publisher
Scholastic Inc
Pub. Date
[2012]
Language
English
Description
Author
Publisher
Scholastic
Pub. Date
2012
Language
English
Description
8)  Walrus vs. elephant seal