The tropics
No, the sun's radiant energy is strongest at the Equator.
it does reach the earth in light energy.
At the poles.
Absorbed
the suns gravitational pull is strongest because the earth is at its closest point to the sun.
Yes because we use the suns energy and not polluting the earth.
waves
its about just 1%
~.08
it goes into the inner core.
The chloroplasts turn the sun's energy into a kind of sugar.
Waves of heat and light, called radiation, travel to earth.