Answer:
fossil fuels are being used more because fossil fuels are of great importance because they can burn to produce a significant amount of energy per unit mass the use of coal as a fuel prefates recorded history.
Explanation:
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Answer:
The base of taller buildings are made broader because it reduces the pressure exerted on the ground so that they do not sink in due to the extremely high pressure of the building.
Explanation:
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Answer: correct option is C
both Technicians A and B are right
Explanation:
Test cycles specify the specific conditions under which the engine or vehicle is operated during the emission test. The vent valve that is not able to close can cause the system to fail the on-board test. Also, a leaking gas cap can cause a failure of the EVAP test.
There are many different test cycles issued by various national and international governments and working groups
