Answer:
too few workers to support an aging population
Explanation:
According to nature, the cells reach a phase where most of the resources are exhausted in the body and aging kicks in. An increase in aging population would adversely affect the trend of population growth since most of these people are not able to work, look after themselves and therefore would require workers to look after them. When there are few worker to support the aging population, the population is affected because some of them die due to starvation and emerging diseases.
Answer: High Frequency waves by method of compression bone conduction
Explanation: in this, vibration of the bones of the skull and sometimes, arguably soft tissues leads to the production of sounds. The outer and middle ear is bypassed in this method of sound production. Sound reaches the inner ear directly and its a process largely involved in designing hearing aids.
The water present on the surface of mars does not exist in the free form like the water on the Earth. The water exists in the form of hydrated salts and in the saline form underground the surface of the Mars. The microscopic life forms that may develop will have use the water from the salts as this water can never freeze. The same goes for for the highly saline water that is under the ground. It doesn't freeze. This water can make it possible for the various microbes to live insulated from the cold temperatures while making the exchange of liquids possible for the cells.
<em>Hi! :) :) The question statement says</em>: <u>"A Humpcnid Enocaom is made of two or more simple machines."</u>
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The answer/def: <u><em>Compound Machine
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Hope this helps! <3