Answer:
complete your answer first
In some places, especially some new wells that have just been drilled,
the oil is under pressure, and it brings itself to the surface as soon as
you drill a 'pipe' for it to rise through.
In most oil wells, there's a pump bobbing up and down day and night,
pumping the oil up out of the well.
When the well is so old that even a pump isn't very effective, water is
often forced down the well under pressure, and the water forces the
oil back up through the pipe.
Physical chemists study matter and energy, and there is chemical reactions in your body, and all living things have elements, like carbon.
I would say D
Answer: Example for multiple alleles is human blood type
Explanation:
Blood types exsist as four possible phenotypes A,B,AB, and O .
Haploid chromosome number in humans is 23
In short, Your Answer would be 23
Hope this helps!