How does a scientist explain something when a controlled experiment cannot be carried out

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

Connect the whole numbers on the periodic table to indicate what they represent?

How do dying stars contribute to the formation of planets