Answer:
sunlit zone or the euphotic zone
Explanation:
The highest layer of the world's seas is washed in daylight during the daytime. This brilliant sea layer is known as the sunlit zone or the euphotic zone (euphotic signifies "sufficiently bright" in Greek) or the epipelagic zone (epipelagic signifies "upon the ocean")
True, reddish-yellowish color on pH paper shows acidity
Bacteria cells, I believe so.
Answer: Suspends all of the cell organelles
Explanation: The cytoplasm is a jelly like material, in which the organelles float in.