Answer:
the answer to the question you are asking is a
A jet stream is a fast flowing air current that occurs in the atmosphere of earth and other planets. A global wind belt is formed by the Earth's spin and the unequal heating of the earth via sunlight
The layers surrounding the core keep it into place
<span>Australia’s population is ageing, and its growth is slowing down due to remarkable advances in medicine, health care and birth control. These trends, coupled with increasing family and cultural diversity, create important challenges for society in general and for families in particular.
Hope this helps.</span>