Agood question to use for a scientific investigation should be testable, and it should be connected to science concepts. casey wants to do a scientific investigation about light. which of the following questions would be best to use to guide his scientific investigation?

a) what color of light is the prettiest?
b) which type of light bulb is easiest to catch?
c) which type of light bulb burns the longest?
d) which type of light bulb is preferred by moms?

C) Which type of light bulb burns the longest?

Explanation:The prettiness of light bulb cannot be directly measured. The question "Which type of light bulb is preferred by moms?" and the question about catching light bulbs are not related to scientific concepts about light or light bulbs. The best scientific question is, "Which type of light bulb burns the longest?"

its raceist

explanation:

it dosn't have red,yellow,green,blue,indigo,violet,or purple

explanation: