Answer:
a really long time
Explanation:
If you mean: "How long have you been here on this sit<u>e?</u>" (with the added 'e' and question mark), I would estimate about less than 30 minutes today and about five months in all.
see below
B) 110 dB because 100/10 = 10, 120-10 = 110
Falling leaves = 20dB
1000/10 = 100
100+20 = 120dB
1000000/10 = 100000
100000+20 = 100020 dB
I think it's A
first person
