The answer would be the 2nd one.
They are powered by converting chemical energy in gasoline to mechanical energy in the engine.
The statement that a non-directional alternative hypothesis claims that no difference will be found between the research variables is false.
The given statement is incorrect.
<h3>What are research variables?</h3>
Research variables can be anything, a person, anyplace, anything, or a phenomenon.
Research variables are used in research work as samples on which the researcher works.
There are dependent and independent variables.
Thus, the statement is false, because there is a difference in the variables.
Learn more about the research variable, here:
brainly.com/question/25115889
In neighborhoods near others from their home country.
