In a four-stroke engine, the timing gears control a. the amount of fuel that reaches the cylinder. b. when the spark plug fires. c. when the valves open and close. d. the speed of the air flow through the carburetor.

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds