Which of the foolowing questions is best considered as scientific?
A. Who invented electricity
B. How long did dinosaurs live in earth?
C. How many koalas are there in australia?
D. Does the amount of salt water affect the temperature at which it boils?
Answers & Comments
Answer:
D. Does the amount of salt water affect the temperature at which it boils.
Explanation:
This question requires you to perform an experiment, form a hypothesis, collect evidence and conclude a conclusion.