Answer:
Explanation:
The impairment of ciliated cells due to smoking causes an adverse effect on the respiratory track. This action reduces the efficiency and performance of the said track,thereby exposing it to infections and diseases. Little infection which the respiratory track would have been able to resist will become chronic due to the weakening of the ciliate cell.
Same applies to the digestive system the intake of painkillers do impair peristalsis.While peristalsis is the contraction and relacation of the stomach muscles during digestion . The intake of pain killer weaken this action and reduces the efficiency of the stomach wall, there by making it vulnerable to infections which are not an issue before.
Thomas Jefferson had been interested in exploring the west well before the 1803 Louisiana Purchase from France. During the 1780's and 1790's, he championed a few failed attempts at such an exploration. Believing the United States needed to expand west to help ensure its survival and prosperity, he jumped at the chance to buy Louisiana from France’s Napoleon Bonaparte. Plans were immediately made to explore the new acquisition and establish American claims to the vast region, an area which effectively doubled the size of the United States. Aside from obvious political reasons, Jefferson, as a child of the Enlightenment<span> ,was an immensely inquisitive individual. The exploration would provide a wealth of information on everything from flora and fauna to geography to the inhabitants.</span>
i think your in the wrong section this is a math question