How does resistance occur when a human takes an antibiotic?

Which of the four major uses is predicted to change the least by 2020?

Which organelle releases chemicals that break down large food particles into smaller ones?

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.