Answer: Petroleum
Explanation:
Petroleum is a fossil fuel. It is also called as crude oil. It is a yellowish black liquid that can be found beneath the earth crust. It is a highly combustible fuel and generates lot of heat energy necessary for running the vehicle. It is the most commonly used fuel for shipping, and road transportation of goods and services. It helps the vehicles to run for long and covering the large distance.
The food availability would be affected by the shortage in absence of petroleum.
b. ivy growing around the pole of a fence
c. the angle of the sun changing during the day
d. outside temperature dropping at night
B. atom
C. element
D. mineral
Following the ideal gas law PV = nRT, and changing it in terms of temperature, we get T = PV/nR. When volume of a sample of an ideal gas to double when the pressure of the sample remains the same, the temperature doubles because temperature is directly proportional with pressure and volume.