In secondary economic activities or third stage (industrial) of the demographic transition model, most people are working in
a. agriculture, fishing, and forestry.
b. manufacturing and industry.
c. government, retail, and services.
d. all of the above are correct.
e. most people do not work in primary economic activities.
B
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Which of the following statements does not describe some aspect of scientific investigation?
A. Observing that much of the water along the beach is no longer where it should be. B. Reasoning that fair weather conditions do not normally result in rapid drops in ocean levels so something extraordinary is occurring. C. Concluding that this rising water process had to do with sinking land levels rather than rising water levels. D. Hypothesizing that the water would likely come back in as fast as it went out. E. All of these choices are correct.
A temperature of 250 K is considered extremely hot
a. True b. False
The environmental justice movement started because __________.
- Aldo Leopold published The Land Ethic. - corporate polluters were not serving jail time for breaking environmental laws - the Environmental Protection Agency was not doing its job - people realized that environmental damage is not equally distributed among all classes and racial groups; minority and low-income communities tend to contain a much larger share of the environmental damage (such as landfills, incinerators, toxic waste sites, etc.)
Why are phytoplankton critical for marine life?
a. They are large contribution to marine food webs b. They generate massive amounts of atmospheric oxygen c. They are able to bind billions of tons of carbon into carbohydrates d. All of these choices