The last one or D. The way that something is transmitted. This is because it says broadcasting. That suggests that something is being sent out to everybody. In this case it just means that it is being announced throughout the school.
1: muscle
2: doubt
3: subtle
4: autumn
5: column
6: debris
7: ballet
8: soften
9: yolk
10: gourmet
11: castle
12: answer
13: salmon
14: whistle
15: buffet
16: wrestle
17: knowledge
18: daughter
19: plumber
20: cupboard
Hope this helps <3
A good followers... hmmm... we don’t.
Answer:
3 population density 5 population pattern I think