C. On several occasions.
Because they are telling you information based on a claim, informing you why. It is evidence, therefore an example.
<span>The correct answer would be B) the lenses of the eye change the size of images. Moreover, the light reflects off of the things and objects we see in the world, and then it is focused by our eye, i.e. our eye's lens. The light changes the light of the image we are seeing form the distal stimulus (i.e. the three dimensional world) to the proximal stimulus (i.e. the 2 dimensional world). However, the image is only interpreted after it passes through the retina's optic nerve. </span>
A non-positive quality would be that many blogs try to market something, but they don't always try to present something.
Conflict is the base of the story. Without conflict, the story has no plot, the characters don't experience anything, and there isn't really any developments at all. As for the second question, I think that's your own opinion.