An artifact was found with 3.125 grams of CARBON-14 and 96.875 grams of NITROGEN-14. If the half-life of CARBON-14 is 5730 years, then how old is the artifact?

Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion

What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.