16. The half-life of carbon-14 is 5,730 years. What fraction of a 1gram 5 points
sample of carbon-14 would remain after 17,190 years? *
O 1/2
O 1/4
O 1/8
O 1/16

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

How have the greenhouse gasses increased from the year 2000 to 2018

The three types is stress that act on earths rocks are compression, tension, and