One sperm fertilizes the egg cell forming a diploid zygote, the other sperm fuses with the two polar nuclei forming a triploid cell that develops into endosperm
Three parts of nitrogen plus five parts of phosphorous gives you a total of 8 parts (3+5=8). Nitrogen makes up only three of those eight parts, or 3/8. The correct answer is B) 3/8.
Though there's no question in the statement above I would assume that you are asking about the pH of the water that is acidic. The correct statement would be:
Any liquid that has a pH less than 7 is called acidic, a pH above 7 is basic or alkaline.
The water in the swimming pool has a high acid concentration due to the chlorine which causes the effect of redness in the eyes.