Answer:
I believe that it is D.
Explanation:
If ice caps are melting, and polar bears use the ice flows to get their food, then the polar bears can't use the ice to get food. so, the polar bears most likely are expanding their diets to adapt to their surroundings. So, polar bears are probably moving off the sea ice and eating other foods.
Answer:
Consider all forces acting in the body. Resolved them in x-y-z axes. On every axis, take one direction to be positive and subtract the force of opposite direction from that force.
Explanation:
Trace fossil because a trace fossil is a fossil of a footprint, trail, burrow, or other trace of an animal rather than of the animal itself.
A = 70, B = 10, C=20, D=20, E= 30, F=50.
False. The bigger it is, the heavier it is, and gravity would pull it down faster.