The sentence needs commas because the participial phrase is essential.
You can improve the environment by not allowing smoking
Answer:
b
Explanation
2h đầu đi được 100km
3h sau đi được 90km
=> AB = 190km đi trong 5h
vận tốc trung bình = 190/5=38km/h
I believe that the answer would be true.
Answer:
What am I supposed to do?
