Answer:
You answer would be: constructive interference.
Have a great day/night! ^^
The answer is A. Constructive interference .
Step-by-step explanation:
I got it right on the Unit Test Review . Hope this helps <3 .
4 x 10^8 metres.
[0.0001 x (4 x 10^12)
= 4 x 10 ^8
hope it helps you!!!!!!!!!!