Answer:
b- political map
Explanation:
a political map shows the boundaries between countries.
<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>
True; with improvements in technology/manufacturing, acid rain became a major problem
