The heat caused by the friction of moving engine parts and the explosion of gasoline in the cylinders is removed through the vehicle's cooling system.
a) true
b) false

True

Explanation:

The cooling system of a vehicle is basically the radiator system. In the radiator, the coolant is a mixture of water and chemical. The chemical prevents corrosion in the radiator. The coolant helps in absorbing heat from the engine by flowing through passages with the help of a water pump and this flow is monitored by the a thermostat.

science is a systematic and logical approach to discovering how things in the universe work. true to this definition, science aims for measurable results through testing and analysis. science is based on fact, not opinion or preferences. the process of science is designed to challenge ideas through research.

explanation:

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.