When an object falls, its gravitational potential energy is changed to kinetic energy. You can use this relationship to calculate the speed of the object's descent. Gravitational potential energy for a mass m at height h near the surface of the Earth is mgh more than the potential energy would be at height 0.
Alzheimer's disease is a form of dementia that causes problems with memory. Alzheimer's accounts of 60-80 % of dementia cases and interferes with normal life. It is not a normal part of aging, even though people think that old people are forgetful. Alzheimer's usually starts with difficulty remembering newly learned information. Memory loss is not necessarily Alzheimer's.
in a compost pile that is maintained
