I believe the answer is 2.000 004 x 10^6
The third option.
Hope that helps you! :)
Erosion i believe is the answer
Answer:
D nitrogen because it makes up most of our atmosphere
Answer:
thick,white fur
Explanation:
Their white fur helps them blend in with the snow and ice. A polar bear has a layer of fat under its skin which helps it stay warm. It also has a thick layer of fur