At the phase of D. Exhaust Stroke, the waste gases are removed during a four stroke engine. It is one of the phases of the four stroke engine. The cylinder from the fuel ignited during the compression step and removed from the cylinder.
To complete a task in a short amount of time/get from A to B in the quickest amount of time
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A liquid becomes a solid when energy is removed. The energy content decreases, and the speed of the particles decrease.
im no scientist but im pretty sure cool stars are warm colors and hot stars are cool colors, so red would be more cooler than blue.