Which of the following would NOT influence the process of diffusion?

The presence of light does not influence the process of diffusion. Diffusion is a physical process where molecules move from an area of higher concentration to an area of lower concentration, and this movement is driven by the kinetic energy of the molecules and the interactions between them.

Temperature affects diffusion since it influences the energy levels of molecules; higher temperatures typically increase molecular motion, leading to faster diffusion. The concentration gradient is crucial as it determines the direction and rate of diffusion. A greater difference in concentration across a membrane results in a more significant driving force for molecules to move. Surface area also impacts the rate of diffusion; a larger surface area allows more molecules to move across it simultaneously, thus facilitating a quicker process of diffusion.

In contrast, light does not have a direct impact on the mechanisms of molecular movement involved in diffusion. While light may influence other processes, such as photosynthesis in plants, it does not alter the fundamental principles governing how substances diffuse through mediums.