1. B (they're good at climbing, not walking)
2. C (they spin in the opposite direction of those in the Southern Hemisphere, it doesn't say whether the direction is clockwise or counterclockwise)
3. A (P5)
4. B (in P6, it says 'river dolphins' which means they can live in other bodies of water)
5. C
6. A (P9)
7. A (70% is considered 'most')
8. B (P14)
9. A (P16)
10. C