A very thin slice is removed from a peanut and treated with a drop of Biuret reagent and then placed on a brown paper bag. A translucent spot was left behind on the brown paper bag and there are blue-violet spots on the peanut. What conclusions can you draw from this examination?

Fossil found in strata reveal that unused body part decrease in size

Well i had the same answer, so the correct answer would be a. but in this case it would be the one with plasma membrane and cell wall circled that is next to the hairy pill type of thing.

Mars and earth have quite a few things in common. both are  terrestrial planets, both are located within the sun’s  habitable zone, both have  polar ice caps, similarly  tilted axes, and similar  variations in temperature. and according to some of the latest scientific data obtained by rovers and atmospheric probes, it is now known that mars once had a  dense atmosphere  and was covered with  warm, flowing water.

Ai believe is the correct answer