Calculate the number of moles in 9.22 X 10^23 atom iron.

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

Which answer lists the fundamental forces in order from strongest to weakest

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?