the rubber in the heating is degenerating because of wear.... only fix is to replace the rubber
They don't. Climate change occurs on the Earth. Sun spots and solar flares occur on the Sun. The Sun heating up could cause a climate change on the Earth, but sunspots and solar flares don't really have much to do with that.
We call them sunspots, but dark and cool are relative terms. A sunspot is dark only relative to the surrounding solar surface, but still intensely bright compared to your common household light bulb. It's cooler than the surrounding solar material, but still hot enough to vaporize a spaceship and anyone inside it in a fraction of a second.
producing spots
the cheetahs color are brownish with black spots
That depends on what the black spots are.
dark yellow with black spots
A black Jaguars spots are so hard to see because the spots are also black so they blend into the fur.
solar telescopes.
A Dalmatian has black spots and white skin
those black spots are black heads caused from to much oil in the ears
spots
black spots