Scientists found a fossilized bone from an organism at an excavation site in north dakota. when they took the bone back to the lab, they realized that the bone had only 12.5% of the total carbon-14 left. based on the amount of carbon-14 left in the bone how old is the bone if the half-life of carbon-14 is 5730 years?

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.