How does the light trevel?

How does the light dependent reaction differ from the light independent reaction? What are the end product and rectants in each? Where does each reaction occur within the chloroplast?

Answer the following questions from the diagram: (a) How many times does the light undergo refractions ? (b) Which two angles are equal ?

How does the electromagnetic train work?

How does the trees increase their girth ?

How does the fish change direction?

How does the growth of any living organism occur ? Does the number of cells in their body increase? If yes, how ?