The answer would be began because if a barricade fell down in the middle of a confrontation and there is something that has to do with a riot it would only make sense that a riot would happen which the answer would be began.
Answer: A tachometer measures the speed at which engine runs.
Explanation:
- In the first blank space there should be a verb - measures and the second blank space is referring to what is measured, that is the speed.
A tachometer or revolution-counter is measuring the rotation speed and it is an instrument. The speed is shown on the display.
- ''Tachometer'' is the word that is considering Greek words such as tachos which means speed in Greek and metron which means measure. It is device used in automotive world and the other vehicles that has speed and speed measuring.
The overall tone was formal.
Well, first of all, there are no spaces.
Second, the second sentence shouldn't have a comma.
Third, the third sentence should instead be:
Often, owners will shout at their dogs or even punish them. But what is needed instead is training.
I hope this helped! If you have any problem please let me know.
