Answer:
Population composition is the description of a population according to characteristics such as age and sex. These data are often compared over time using population pyramids.
Complex mental health system
Answer:
Alzheimers is a disease that affects the main, it starts out gradually and causes memory loss, issues with speech, affects the ability to think clearly and affects the way a person moves.
Explanaton:
Answer:
Stratosphere
Explanation:
This layer is the second one above from the sea level. The first layer is the troposphere, it runs from the sea level until 10 km above. The second one, the Stratosphere, is the one that runs from 10 to 50 km above sea level. In this layer is where most of the airplanes fly, also is where the ozone layer is located. In this layer the gravity force is still present and is the layer in which the X rays and ultraviolet waves that comes from other celestial bodies, can still reach this layer, but they can not pass to the Earth surface.
Hope this info is useful.