Answer:
A. The text is organized around important dates that relate to disease.
Explanation:
Enormity definition- the great or extreme scale, seriousness, or extent of something perceived as bad or morally wrong.
I wouldn’t say you’d ask anything at the end. You should always say “It was a pleasure meeting you sir/m’am” or “Thank you for your time”. It’s always good to be polite and show a sign of respect

The harmonic frequency refers to the resonant frequency that is an integral multiple of the fundamental frequency, harmonics are usually simple sinusoidal oscillation at a single frequency. where as Resonance frequency are frequencies that are not necessarily sinosudal or integral multiple of fundamental frequency and it may have complex oscillations made up of multiple harmonics ~
It's like if you play a piano with a single key, it will show harmonic frequency, but if you use multiple keys at a time it may show Resonance.
11. comma
fault
The
sentence should have been:
<span>Like
a puppy, drawing attention to itself at every opportunity. </span>
12. none of the above
CORRECT:
Take the bread out of the oven; the crust is starting to burn.
13. seats,
and
14. horseshoes;
she
15. clocks,
nevertheless,
16. cool;
CORRECT:
The night was cool, yet we wrapped up in blankets, and we stayed warm.
17. course,
<span>CORRECT:
We have the data, of course; can we apply it to the theory? </span>
18. planned,
in fact,
CORRECT:
The class read the play and chose a scene to memorize; they planned, in fact,
to perform the scene for the school.
19. foundation,
however,
<span>20. bus;
he will need, therefore,</span>