Which is TRUE regarding migration and immigration?
A) All countries regulate the flow of immigration.
B) Immigrants comprise about 35% of the population of the United States.
C) In the United States, some people argue that immigrants generate more wealth than they consume.
D) Older adults are more likely to migrate than younger adults.
E) Remittances are legal barriers to migrants.
A
You might also like to view...
Which of the following is true of thymine and uracil?
A) Both have a methyl group at C-5 B) Thymine has a methyl group at C-5 but uracil does not. C) Uracil has a methyl group at C-5 but thymine does not. D) Neither has a methyl group at C-5.
Which of the following statements is false?
A) In a secondary amine, the nitrogen is bonded to two carbon atoms. B) In a tertiary alcohol, the carbon bearing the OH group is bonded to no hydrogen atoms. C) Aldehydes, ketones and esters all contain a carbonyl group. D) The molecular formula for the smallest carboxylic acid is C2H4O2.
Island biogeography explains the phenomenon of ________ terrestrial species on islands small and far from the mainland when compared to larger islands that are closer to the mainland and have ________ terrestrial species.
A. Larger; about the same number of B. Larger; smaller C. Smaller; larger D. Fewer; more E. More; fewer
The two main elements in climate conditions are _________ and ________________.
-latitude; longitude -season; location -axis tilt; orbit -temperature; precipitation -elevation; topography