The sun is so far from earth that rays of sunlight are effectively parallel when they reach earth’s surface. sunlight reflected from a mirror can be focused onto a pot of water, raising its temperature enough to pasteurize water, or cook food. which kind of spherical mirror could be used for this purpose?

If you use a mirror to concentrate the sunlight onto the pot, the mirror has to be concave.

If you use a lens to concentrate the sunlight onto the pot, the lens has to be convex.

The other kinds . . . a convex mirror and a concave lens . . . spread the light out wider, instead of concentrating it into a smaller spot.

the answer would be c. motion and direction

i hope this : )

here are some information of the future of geothermal energy:

-the future of geothermal energy can pretty much be summed up with a single word: more

-scientists plan in going deeper than 120 meters

-we are hoping that one day, we will get all of our energy from renewable energy sources such as geothermal energy

hope this !