Two or three i believe to be the answer
Answer:
your language is to different to mine sorry
If he runs at the same speed he will cover next 200m in 40s
that is at the average of 4.0m
It is B because the other ones are good.
Answer:
They use noise control, creating a wave that negates outside or ambient sound and replaces it with the desired sound that listeners request.
Explanation:
I hope this helped
