200,000 is the population density.
Http://www.biocab.org/Carbon_Dioxide_CO2.html
Answer:
missing - biostatics
Explanation:
Longitudinal studies differ from one-off, or cross-sectional, studies. The main difference is that cross-sectional studies interview a fresh sample of people each time they are carried out, whereas longitudinal studies follow the same sample of people over time.
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Answer:
2
Explanation:
Though the effect of ships disappearing over the horizon <em>is </em>due to its spherical shape, it could also be used evidence for objects falling off the "edge" of a flat, planar-shaped earth.
