Which supercontinent contained Africa and South America?
What will be an ideal response?
Gondwanaland
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A typical sample of brass is 67% (w/w) copper and 33% (w/w) zinc, and has a density of 8.40 g/mL. What is the molarity of this solution?
A) 33 M B) 42 M C) 88 M D) 67 M
The deepest parts of the seafloor are
A. mid-ocean ridges. B. continental shelves. C. seamounts. D. oceanic trenches. E. abyssal plain.
Latin America is generally a region of less developed countries, with about one-third of the population living in poverty
Indicate whether the statement is true or false
Dating back to approximately 6000 BCE, we can judge that
A) fairly accurate navigational maps could only be produced after the start of the Industrial Revolution. B) the first "true" maps appeared because of modern printing presses in the twentieth century. C) sailors during the European Renaissance had paper maps that were far more useful to them than were the "stick charts" possessed by Polynesian sailors and fishers. D) maps have appeared in many forms in different societies and times, including modern paper maps, GPS in cars, and the urban maps of ancient Turkey. E) maps that distort the sizes of Greenland and Antarctica are generally the best, although they make Africa and South America appear too small while simultaneously expanding the size of Europe.