The correct answer will be option-the sheep carrying out respiration
Explanation:
The carbon is the model which represents the movement of the carbon in the environment between all the spheres.
The carbon is present in the atmosphere as bounded carbon in the form of carbon dioxide which is added by the process of cellular respiration performed by the living world or the organisms.
Since the carbon dioxide moves from the biosphere to the atmosphere through cellular respiration, therefore, the sheep carrying out respiration is the correct answer.
A physical change is basically a body change so like if a crayon is solid then sits in the sun for a long time it melts away that’s a physical change because it changes its physical appearance
