For photoperiodism to occur a plant must use which of the following photosensitive pigments? . a. polychrome. b. phytochrome. c. photochrome.

I think the correct answer among the choices listed above is option B. For photoperiodism to occur, a plant must use a phytochrome. This is a pigment that plants use to detect light. It is sensitive to light in the red region. Hope this answers the question.

What is the question? if you were looking to design a method of separating something, you can separate this compound by putting both in water and allowing the water to dissolve the sugar. then pour it into another beaker and evaporate it then boom! salt and sugar : ) 

Aplant cell has vacuoles and a cell wall