Within a small chamber, an internel combustion engine combines a precisely measured mix of fuel (typically petrol or diesil) and air. Once ignited, this explosive combinasion causes an expansion of hot, presurised gases to exit the chamber, typically via pistons or a turbine. The chemical energy is converted, although often not very eficiently, into mechanical energy which can then be used to power motors and drive machines.

The travels of marco polo.what is the author’s purpose for writing this text?

List some things u like to do with everyday friends (school friends)

Ead this excerpt from the introduction to wheels of change by sue macy. imagine a population imprisoned by their very clothing; the stiff corsets, heavy skirts, and voluminous petticoats that made it difficult to take a deep breath, let alone exercise. add to that the laws and social conventions that cemented a man's place as head of the household and holder of the purse strings. how suffocated women must have felt. and how liberated they must have been as they pedaled their wheels toward new horizons. why does the author include this excerpt?