what are the advantages and disadvantages of using renewable and nonrenewable energy resources? Use evidence from the lesson and scientific reasoning to support your answer ??

They'll never run out. They don't damage our planet. They're low-maintenance energy sources.They're good news for regional areas.

Unreliable weather can affect energy supply. 

Hydro generators need enough rain to fill dams for their supply of flowing water.Wind turbines need wind to turn their blades. Solar panels need clear skies and sunshine to get the heat needed to generate electricity.

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.