Answer:
plus 20% is 40% of adennine and thymine. From 100% DNA bases subtract 40% and you will get 60%. Then divide this by 2 and you will get 30%. 30% of guanine and 30% of cytosine, because their amounts are equal in the DNA stand.
Answer: it's not a few days.
Explanation: I picked a few days and got it wrong.
The answer is B. The phrase “changes slightly as” suggest it is still in the process of metamorphosis because “as” shows it is still in the process.
