Answer:
I do not understand why this happens.
We all need to work together, I think is one. Can't really think of another example though.. sorry
Normally no, they are not transparent! They can be though. Chloroplasts conduct photosynthesis! It’s pigment, captures energy from the sun, and stores it in ATP and NADPH. :)
Ozone depletion would cause more UV rays to pass through so your answer would be B)
Pollution causes B)
I believe this would be true