How do scientists count a species population? A. Add up the individuals who come into an area because of
reproduction or immigration,
B. Add up the individuals who leave an area or die,
C. Add up the biodiversity in an area,
D. Add
up
the individuals who come into an area and subtract those
who leave the area,

What factors influenced brazil's current and future economic strength?

Although china’s total economic output, measured by gross domestic product (gdp), is third largest in the world, it is considered a developing nation. what is most likely the most important factor for this designation? a. china’s government spends money on things that do not benefit human development. b. china has a large population, so its gdp per person is only modest. c. china has a strong economy but weak literacy and school attendance rates. d. china’s high rates of disease offset the country's economic gains.

Many somalian refugees sought entrance to the united states in 2006 and 2007. describe factors that encoura somalians to leave their country in the 1990s and 2000s