Most gasoline engines are_ -stroke engines.

hello

Explanation:

Why are most gasoline engines in automobiles called four-stroke heat engines? The engine in a car is called a heat engine because it converts thermal energy to mechanical energy. When the chemical bonds of fuel are broken (combustion), thermal energy is generated.

Explanation:

This is little late..Srry

I hope that this is correct if this isnt srry :-<

hello

Explanation:

answer; i believe that the correct answer is (d); // supercontinent

    racial conflict and discrimination has existed ever since man learned to kill with rocks and bones. these conflicts arose from disputes between territory, power, wealth, religion, or simple difference. some of the most infamous racial disputes include slavery, the holocaust, and the civil rights movement.

    these listed disputes often resulted in casualties from all sides. riots, wars, imprisonment, and lynching are all commonly associated with racial conflict on severe levels.

      however, racism is an improving issue in recent decades. people are being more accepting and welcoming of diverse populations. though, the world isn't perfect and it will take much more time, if ever, until the world is rid of racism.