It's c/f, in which c is the speed of light (300000 m/s)
Compression and rarefraction, the other guy's answer it's wrong
Answer:
If she ___(be) rich, she _____ (buy) a new sports car.
Group of answer choices
is/buys
be/buy
were/would buy
were/bought
The answer would be D
Because there are the same amount of elements on each side (3Mg on the left and 3 Mg on the right. Then 2 N on the left and 2 N on the right also)
