About how long ago did our solar system start to for

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.

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

Describe the forces both attractive and repulsive that occur as two atoms move closer together.