Answer:
A is the right answer
Explanation:
Convection currents are created in the Earth's atmosphere as the sun heats the gases, causing them to rise. Theses gases cool as they rise high into the atmosphere and travel back down towards the ground to get heated again. ... All of this movement of gases in the atmosphere creates wind.
<u>Answer:</u>
<em>Demography: the investigation of the attributes of human populaces. </em>
<u>Explanation</u>:
<em>Demography: the investigation of the attributes of human populaces. </em><em>Age</em><em>,</em> race, sex, different models incorporate where individuals live, where individuals are going,<em> where individuals are conceived, where individuals pass on. </em>
Check is a flat out number of a populace or statistic occasion <em>happening in a predefined time and spot</em>. - essential enrollment frameworks, authoritative records, a few nations don't have these records, <em>so you should locate an alternate method to get information for example a yearly study.</em>
Answer:
In geology, the term sial refers to the composition of the upper layer of Earth's crust, namely rocks rich in aluminium silicate minerals. It is sometimes equated with the continental crust because it is absent in the wide oceanic basins, but 'sial' is a geochemical term rather than a plate tectonic term.
Explanation:
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