Can anyone help with this or at the very least point me in the right direction of what to do with these problems please

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .