C) culture diffusion. Based on the premise of cultures.
The asthenosphere is weaker and less rigid than the overlying lithosphere.
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
One environmental problem affecting the supply of fresh water is that groundwater is being pumped from aquifers
