Answer:

Explanation:
We recognize that total occurrence equals new cases of disease over time divided by the number of people at risk at the onset.
Mathematically:

Given that:
Number of the population at risk = 1000 individuals
New cases during Jan 1 - Dec 31 = 60 because;
At 20 occurred on June 30 & 40 on Sept. 30) & no new cases were identified after that:
∴

D, Proline and Valine.
The DNA strand C C A G T C codes for the Amino Acids <u>Proline and Valine.</u>
The correct answer is all of the above
Answer:
b
Explanation:
the inner would have more heat bc it is surrounded