Overview. A Power of Attorney (POA) is a legal way to have a person act on your behalf. The POA gives someone else the right to act on your behalf on matters that you list in the POA. If you are the person that gives the authority to someone to act on your behalf, then you are the principal.
The prefix tropo-denoting turning, a change, is derived from the Greek word tropos, a turning. The troposphere is the lowest level of atmosphere in which the temperature fall â¦ s as height increases.ropo-comes from the Greek tropos which means turning.. Meso-comes from the Greek mesos which means middle.. Thermo-comes from the Greek thermos which means hot.. Exo- â¦ comes from the Greek exÅ which means outside..
The troposphere contains 75% of the atmosphere's total mass. 1  In either space or time the troposphere is not constant. 2  Weather occurs in the troposphere. 3  The troposphere is 10 miles from the equator. 4  The troposphere is 5-7 miles above the poles. 5  Does not contain ozone. 6  The altitude of the tropopause at the poles is 5 miles.