Answer: 26.75 meters.
2πr = 84
2 * 3.14 * radius = 84
radius = 84/6.28
r= 13.375
So the diameter will be 13.375 + 13.375 which is 26.75 meters.
There are a couple reasons the ice is important to polar bears, but given the choices you have the correct one would be:
A. The polar bears can’t out swim the seals, so they sit quietly on an ice platform and attack the seals when they come up for air.
First way it will affect the enviroment is that there wont be any trees to soak up water from rainstorms
Second Water wont be brought up to the surface due to the fact there are no roots to do that
Hope this helps
What? no. B. false, cooled magma is called extrusive igneous rock.
