Abiotic factors do affect other abiotic factors, because for example if a patch of soil is polluted with excess nutrients, the soil can be washed into a river by rain and then the excess nutrients...
biotic factors are living things that are alive or once were alive (bones, dead leaves, etc). abiotic are things that are not alive, like the sun, temperature, climate, precipitation,etc.
A biotic factor is a factor in an ecosystem that is living or once was living. For example, a tree, grass, a bird, people etc. biotic factors also don't currently have to BE alive. A decomposing tree...