(b)
Describe how one feature of the axolotl's gills increases the rate of diffusion of oxygen.

the father in the first generation probably had the recessive colorblind trait in his x chromosome. if he and his wife both had the colorblind trait, even if she had 1 recessive and 1 dominant, then that trait would be passed on to their kids.

(since you didn't attach the family tree this is just an assumption)

✿   this landform has a high elevation and a high relief

✿   this landform is a mountain

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

answer: c

explanation: