Identify and discuss the problems that would need to be overcome within the nervous, skeletal, and muscular systems in order to find a “cure” for people who suffer from conditions such as multiple sclerosis and cerebral palsy. (brainliest)

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

49 ! how are energy cycles and growth cycles related?

4.explain how these geological processes and interactions have changed earth's surface through the years. be sure to use evidence to support your answer • earthquakes • faults • ocean formation • mountains • volcanoes • island chains • seafloor spreading