During primitive times, what might the witch doctor give a person to relieve pain or illness?

Which of the following best describes the purpose of technology?

Sarah is sitting at the top of the slide in the schools playground. which will increase sarah’s kinetic energy a- an additional child is added to the top of the slide. b- sarah is pushed and moves down the slide. c- sarah climbs down the ladder and off the slide. d- the ladder is moved to the other side of the yard.

What type of genetic drift would be simulated if all the beans that were not selected died out?