Why do cars need a cooling system in conjunction with the engine? a) the transformation of energy in the engine produces a lot of waste heat b) sunlight makes the engine heat up quickly c) friction from the road makes the engine hotter than is safe

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?