a fragment of rock from a meteorite was measured to have 1/16th of the original potassium-40 than it originally contained. Since the half life for potassium-40 is 1.277 billion years, how old is that meteorite

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.

The rwandan patriotic front and the interahamwe were a. relief agencies b. military groups c. political parties d. nonprofit organizations select the best answer from the choices provided. a b c d

Which events occurred during the space race? check all that apply. (a) nasa was established. (b) yuri gagarin orbited earth. (c) the soviet union launched salyut. (d) the united states launched skylab. (e) the united states launched explorer 1.