LET’S GO PEOPLE I GOT A TEST TO FINISH!! If the half-life of a decaying isotope is 10 years, which statement is true after
8 years?

A. There are more parent nuclei than daughter nuclei in a sample.
B. The relative numbers of nuclei cannot be determined until 10 years have a passed.
C. There are more daughter nuclei than parent nuclei in a sample.
D. The numbers of parent nuclei and daughter nuclei in a sample are equal.

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

What is the rate of change in a objects position?

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?