Answer: C
Explanation: it produces nitrogen compounds that humans can breath . It is the only logical choice.
A deer does not make a sound
Answer: 25%
Explanation: if you do the Punnett Square method then you would see that both parents would have been Dominant for the trait, so there is a 50% chance of the offspring to be a carrier, 25% chance of the offspring to have PKU and 25% chance for it to ave
The roles of the female reproductive system are:
producing eggs
allowing for fertilization
and, allowing for childbirth.
I hope this helps!
