Carboniferous age reefs differed from those of the Devonian in that they were much more massive than the older reef structures
Indicate whether the statement is true or false
False
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The principal difference between shantytowns and slums is that shantytowns are
A. Legal but below code B. Built by the city but condemned C. Illegal and built by residents D. Built on land that the residents own E. Maintained by the city
____ was longest continuous scientific oceanographic expedition
A) The Challenger expedition B) The Fram expedition C) The Meteor expedition D) The Albatross expedition
If you live in an area that was flooded by the 100-year flood last year, you can conclude that
A) the next 100-year flood will occur in exactly 100 years. B) there is a 1% chance you could be flooded by the 100-year flood again this year. C) you do not have to worry about another flood of that size during your lifetime. D) the next 100-year flood will occur in exactly 99 years.
Which type of economic activity provides services to other sectors and goods and services to businesses and to individuals?
A. primary B. secondary C. tertiary D. mandatory