Answer:
atp is generally taken by sports person .it starts multiplying the production of oxygen in muscle so they do not tired easily and last long.
The answer is D. Permafrost because it is a non living (abiotic) factor.
for question 1.) i am pretty sure of answer a.)
for question 2.) the answer is most likely b.)
i would recommend waiting for a second opinion. just to be safe.
Explanation:
Yes they can. An AB parent can indeed sometimes have an O child. But it is by no means common. In fact it would be fair to say that it is exceedingly rare.
The one exception is in certain Asian groups. Some of these folks have a rare version of the ABO blood type gene called cis-AB. People with this gene version have an AB blood type but can easily have an O child.
