What science equipment would i use to measure the mass of a liquid

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.

Explain that newton first law,second law and third law of motion?

What is the name of the enzyme that forms at the start of transcription?