A Convex Lens is the type of lens used in magnifying glasses.
The reactants of cellular respirationare oxygen and sugar, which are theproducts of photosynthesis. ... When plants are placed in darkness, cellular respiration continues, using ATP to convert sugar into ADP and releasing carbon dioxide. Photosynthesis stops in the absence of light energy.
What happens is the rearrangement of particles of the gold in a physical change