A. At what time of day does photosynthesis take place?

Naturally: only during daylight hours

Artificially: all 24 hours (under perfect circumstances)

Explanation:

Photosynthesis can only occur when a plant receives energy from a light source. Naturally, the light source would be the sun which is only around for a certain amount of hours. If the plant is under an artificial light source, like a lamp, then photosynthesis can occur at all hours of the day.

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

answer; i believe the answer is (polygenic inheritance;