Because every strand much be different then the other ones or the same but different DNA
<span>A. Color is not an observable phenomenon.</span><span>
B. It does not attempt to explain the natural world.</span><span>
C. The experimental group would be too large.</span><span>
D. How people experience color varies.
I think it would be B or D, you can analyze them both and I'm sure you'll come up with an answer ;)</span>
To protect it from the acids
16 neutrons are present in the most abundant isotope.
Explanation:
Phosphorus has 18 isotopes. The most common isotope has mass number (no. of protons 15+ no. of neutrons 16=) 31 .