Question

Which of these questions is scientific

Answer 1

Hello!

"What is the age of Earth?" Is a scientific question. Scientists have been able to assume Earth's age based on scientific research. 

Options B, C, and D are all examples of questions asking about opinions. None of these three options are considered to be scientific questions. 

I hope this helps you! Have a great day!

Answer 2

The A would be a good subject to study
but that depend of you!