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.
Designing some instruments does help science, but it doesn't advance ideologies of science.
Explanation:
Science is based on theories and laws. Scientists are constantly trying to explain the concepts of the universe by ideas. Sure, instruments do help scientists gather information and such, but ideas and philosophies, theories and laws are the ones that are most important. Without new ideas in science, we would not be able to hypothesize many things, or even develop new instruments.
