A “thwop” is supposedly the sound when you serve mashed potatoes, like when you throw it off your spoon. So, you can word it as a serving of mashed potatoes or the sound of serving mashed potatoes.
A prefix, which is often the first word part.
Answer:

<em><u>nice</u></em><em><u>❤</u></em>
<em><u>Never</u></em><em><u> </u></em><em><u>regret</u></em><em><u> </u></em><em><u>what</u></em><em><u> </u></em><em><u>makes</u></em><em><u> </u></em><em><u>you</u></em><em><u> </u></em><em><u>happy</u></em><em><u>¡</u></em><em><u>!</u></em><em><u>!</u></em><em><u> </u></em>
Answer:
Angiosperms
Explanation:
The flowering plants (also called angiosperms) are the dominant and most familiar group of land plants.