Carbon cycles through the biosphere in all of the following processes EXCEPT:

A. photosynthesis

B. decomposition of plants and animals.

C. transpiration

D. burning of fossil fuels

Carbon cycles through the biosphere in all the options except transpiration. The correct option is, C.

Transpiration, on the other hand, has to do with the movement and evaporation of water molecules from different organs of a plant. It has nothing to do with carbon.

More on the carbon cycle can be found here: link

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.