Question

[2]
b. Two persons are standing on roof top of two different buildings far apart. One of them fires a gun; other
hears the sound of it after some time he sees the flash. Explain the reason behind it .​

Answer 1

Answer:

I don't know answer

Explanation:

Sorry brother bye

Answer 2

Answer:

because we can heard sound first

for example thunder sound will hear first and light after the sound