The correct sequence of engine operation is given by option C. intake, power, compression and exhaust. The first step is the intake of air, in the case of petrol engines, fuel is taken in as well. The second step is compression. The third step is combustion or power, in this part, the fuel is injected. The last step is exhaustion which refers to the blowing out of the waste gases from combustion.
A model organism is a species that has been widely studied, usually because it is easy to maintain and breed in a laboratory setting and has particular experimental advantages. Model organisms are non-human species that are used in the laboratory to help scientists understand biological processes
