At the time of Pangaea, South America and Africa were attached, forming a continuous landmass. Using Figure 19.2, describe what transpired in the past 225 million years to position the two continents where they are today.
What will be an ideal response?
Sea-floor spreading created the Atlantic basin and ripped the two continents apart.
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Which of the following is used to measure streamflow?
A) stilling well and staff gauge B) barometer and sling psychrometer C) statistical methods of probability D) reservoirs
What is sustainable development?
A) a balance of agricultural and industrial growth that utilizes inputs of recycled material B) guaranteed rates of growth that assume a constant population C) a form of development that is best applied to small and isolated capitalist countries D) development that meets the needs of the present generation without compromising future generations E) equalizing the rates of economic growth of the developed and developing world through the use of international trade agreements and organizations
The volcanic explosivity index (VEI) can be correlated with the number of deaths caused by an
eruption.c Indicate whether the statement is true or false.
Calm equatorial areas of low pressure are referred to as the ____
A) doldrums B) horse latitudes C) trade winds D) westerlies