There are two factors that are considered very important: ____ levels and ____ levels. The average number of people ____ in a specific place and time, and who ____ mint theexisting population is called ____. The number of people, who ____ in a specific place and time,and the existing population ____ is called ____.

Birth and Mortality

द्वारा

लीडरबोर्ड

दृश्य शैली

विकल्प

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ऑटो-सेव पुनःस्थापित करें: ?