Answer:
Examples of paradigm shifts are the movement of scientific theory from the Ptolemaic system (the earth at the centre of the universe) to the Copernican system (the sun at the centre of the universe), and the movement from Newtonian physics to the theory of relativity and to quantum physics.
Explanation:
A, Medicaid and Medicare.
There is a focused loss over time of immune cell function<span> which allows ... We </span>will<span> examine the virus itself, the </span>immune system<span>, the specific effect(s) of HIV ....nor </span>can<span> infected cells containing HIV (an intracellular pathogen) be </span>properly<span> eliminated. .... long time, </span>but have not<span> yet acquired </span>AIDS<span> (there are indeed now a number of ...</span>