Other contributors have said "What abiotic factors can fax nitrogen?" is the same question as "How do the Abiotic factors effect the biotic factors in the arctic ecosystem?" If you believe that these are not asking the same thing and should be answered differently, click here
How do the Abiotic factors effect the biotic factors in the arctic ecosystem?
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...
biotic factors are things done by living oraganisms and abiotic factors are chemical and physical factors like climate and soil. YOU'RE VERY WELCOME! :)