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liptontea4
31.07.2019 •
Chemistry
In a four-stroke engine, the timing gears control a. the amount of fuel that reaches the cylinder. b. when the spark plug fires. c. when the valves open and close. d. the speed of the air flow through the carburetor.
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Ответ:
Answer is C. When the valves open and close.
Wrong answer is A,B,and D.
it will help you
Ответ:
is this supposed to be a joke?
Step-by-step explanation: