The correct answer for the question is A. Diffrences in heating
The primary succession takes a long time to be done. the secondary succesion takes 200-500 years for completion. the secondary succession occurs in an area which has been denuded recently and lately inhabited. soil is present at the beginning of the secondary succession with some organisms. thank you for this question.
Its stored in the chloroplasts
It is located in the sympathetic nervous system which originates in the spinal cord. Hope this helps!