C-14 has a half-life of 5,730 years. You begin with 600 grams. At the end of the first half-life, how much of the substance is still radioactive? b. After 4 half-lives, how much would remain radioactive and how much would be stable?

The pattern of this wave changes between its beginning and end. what is true about the amplitude and wavelength of the wave when the pattern changes?

The instructions for making proteins come originally from

The table below shows the number of foot bones in some horse fossils.horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s