When the sun runs out of fuel it will become a red giant. What will happen 12 next? 1. it will expand and absorb two planets it will expand and give us more sunlight 2. it will contract and give us less sunlight 3. expand and absorb Mercury Venus and Earth.​

Imagine you are a business executive who wants to pursue an environment policy for your company that limits pollution and uses fewer raw materials but would cost more what might be the discussion to your next broad meeting how would you make your case to your shareholders