Determine the half-life of carbon-14 if a 1218.70 gram sample diminishes to 152.34 grams in 17,190 years • A. 16.12 years
• B. 112.84 years
C. 5730 years
• D. 14.1 years

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.

List four observations that indicate that a chemical reaction may be taking place

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral