Which of the following problems do immigration and emigration pose for demographers?
a. demo...
Biology, 03.02.2020 17:49 eraines1714
Which of the following problems do immigration and emigration pose for demographers?
a. demographers must provide for more city services.
b. demographers cannot identify the age structure of immigrants.
c. demographers find it difficult to make predictions about populations.
d. demographers study growth rates, age structures, and geographic distributions of populations.
Answers: 2
Biology, 22.06.2019 02:30, robert7248
The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community
Answers: 1
Biology, 22.06.2019 12:50, xxbriannahollandxx
Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.
Answers: 1
Biology, 22.06.2019 13:10, hcoulter15
Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.
Answers: 2
Mathematics, 19.10.2020 22:01
Mathematics, 19.10.2020 22:01