What allows the air-fuel mixture into the cylinder? It's the job of the carburetor to supply a mixture of air and fuel that will allow for proper combustion. During the intake stroke, the intake valve between the carburetor and combustion chamber opens. This allows atmospheric pressure to force the air-fuel mixture into the cylinder bore as the piston moves downward. What is used to ignite the air-fuel mixture in the cylinder of a gasoline engine? spark ignition engine In a spark ignition engine, the fuel is mixed with air and then inducted into the cylinder during the intake process. After...

What fossil fuel is formed from plant deposits? Coal, oil, and natural gas are examples of fossil fuels. Coal is a material usually found in sedimentary rock deposits where rock and dead plant and animal matter are piled up in layers. More than 50 percent of a piece of coal's weight must be from fossilized plants. What were fossil fuels millions of years ago? Coal was formed millions of years ago, before the dinosaurs. Back then, much of the earth was covered by huge swamps. After a long time, the heat and pressure changed the plants into coal. Coal is...

Which of the following means the opposite of preserved? Opposite of to maintain (something) in its original or existing state. damage. compromise. break. destroy. What is a synonym and antonym for Preserve? prəˈzɝːv, prɪˈzɝːv, priːˈzɝːv) Keep in safety and protect from harm, decay, loss, or destruction. Antonyms. negate invalidate disprove wet hydrate lively disallow. embalm conserve hold the line maintain plastinate. What do you call something that is not reusable? : not capable of being used again or intended to be used again : not reusable a nonreusable syringe nonreusable plastic bottles. What is the antonym of preservation? preservation. Antonyms:...