Answer:
C. Oxygen concentration decreases as altitude increases
Explanation:
Higher altitudes have lower levels of oxygen and decreased air pressure.
Answer: A( adenine) G (Guanine) C (Cytosine) T (Thymine) U (Uracil)
Why? Nucleic acids are polynucleotides—that is, long chainlike molecules composed of a series of nearly identical building blocks called nucleotides. ... Each nucleic acid contains four of five possible nitrogen-containing bases: adenine (A), guanine (G), cytosine (C), thymine (T), and uracil (U).
"Struggle for existence and survival of the fittest" is the principle of evolution among the choices given in the question that <span>are represented in this example. The correct option among all the options that are given in the question is the second option or option "B". I hope that the answer has helped you.</span>
Well there are 3 newton laws