50 Points. Fine since no one like this question. Here is a easy math question for grade 1. Sike now do this

Topic: Light and Optics

Explain why u choose that answer

Only answer question 4

The answer is B. A diagram that shows light bends as it passes through a translucent object.

Explanation:  The definition of a ray diagram is  A ray diagram is a diagram that traces the path that light takes in order for a person to view a point on the image of an object. So it only makes sense that the answer is B.

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.