No, polar bears does not migrate.
The answer is B , i hope this helps
I'm pretty sure the answer is <span>B) Renewable resources can be impacted by weather.
Another disadvantage is that it can be pricey, but please tell me if it's right. :3</span>
M<span>ayonnaise is a heterogeneous mixture</span>
B) Geothermal energy requires a lot of fuel once the plant is operating
It's a power plant, it should be self-sufficient.
I hope this works =^)