The term âcatapultâ is used to define a very wide variety of large machines for hurling projectiles and some of the more common variations include the trebuchet, which is a catapult that uses gravity and a seesaw effect to hurl its projectile.
A demyelinating disease is any condition that results in damage to the protective covering (myelin sheath) that surrounds nerve fibers in your brain and spinal cord.
Such construction of molecules, a process called synthesis, is done almost universally with a process called dehydration synthesis, with the removal of a hydrogen from one component and a hydroxide from the other (these combine to form water, so the components lose water or dehydrate).