1-C. The data from these pathways normally reach the destination at the same time to form a whole image, but sometimes there is a slight delay in one of the pathways.The data from these pathways normally reach the destination at the same time to form a whole image, but sometimes there is a slight delay in one of the pathways.
2-C. Which of these slight advantages they have over those that die is not clearly understood.Which of these slight advantages they have over those that die is not clearly understood.