Carbon dioxide is split to form oxygen gas and carbon compounds

I believe that the correct answer here is:

“in neither photosynthesis nor respiration”

This is because during photosynthesis, carbon dioxide is converted to glucose.

While during respiration, carbon dioxide is not split because it is one of the products of respiration hence it is rather created.

answer: semi-infinite solid initially at a uniform temperature of 400 ◦c is cooled at its surface by convection. the cooling fluid at a constant temperature of 200 ◦c has a convective coefficient (ha) of 250 w/m2.k. the physical properties of the solid: k = 20 w/m.k and α = 4 * 10-5  m2/s. using δx = 0.04 m and δt = 10 s. write the finite difference equations describing the transient heat transfer of the first five δx and the temperature profile after 30 s.

it is reliable if two scientists recorded it