It needs a aperture, compound lens, a photosensitive plate or paper, and a included box for the photosensitive paper to not get exposed by other light sources or a box that is black covered inside and out to not reflect any other light other than what comes thru the aperture or the shutter to precisely capture a amount of light to expose the film properly and not over or under expose it.
So, the mural only has some species- but we don't know which one, living in harmony. We don't know whether it's humans and we have no reason to think that it might be humans.
So it can't be A) or D) - those are connected with human activities.
it's informative to the public about this species so the correct answer is
B. 'Educating the public about the natural environment'
Answer:
one is quick and the other last longer
Explanation: