9. What is useful in constructing scientific questions, methods, and explanations? A. formaldehyde
B. a large research team
C. a very limited amount of time
D. creativity

C

creativity

Explanation:

C. Because the results of some experiments might not be explained by any

known theories.

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne