Answer:
A
Explanation:
Firstly, if those ions were as helpful to 9 out of 10 people as they claim, it would have already been sold out.
Secondly, even if the data is correct, such product would not be for sale but for customization.
I believe the answer is blue blood because cephalopods have 2 hearts and a closed system. hope this helps!
B. Tropical rain forests
Explanation: if you look at a list of most endangered species, they live in rain forests
According to the punnet square, if you combine a parental homogeneous dominant trait and a heterogeneous trait. 1 out of the 4 boxes will be homogeneously recessive.