Answer
The ability of some fish, like clownfish, to detect predators is decreased in more acidic waters. A sudden drop in pH can as cause medical issues, such as comas and seizures in oceanic life. Fish's skeletons are also sensitive to acidity, so their development may be impacted as well.
Because astrologers don't use tools , don't observe the planet.
I think d but im not sure
The answer is B cause earth moon and sun combined together creates the greatest gravitational pull and makes tides.