I don't know if their is sopposed to be options but my best educated guess is "Natural"
Answer:
Normal distribution/Bell-curve
Explanation:
I'm not quite so sure as to the distribution type, but it is definitely a bell curve.
The answer is A.
Temperature changes when salt is in water, therefore the water will become more livable and suitable to those fish .
Have a nice day.
~Brooke❤️
What do you mean but if you mean what I think you mean then you take half of the tadpoles