Which two continents are the most obvious pieces in the continental jigsaw puzzle of plate tectonics? Why?
What will be an ideal response?
South America and Africa were split by the mid-Atlantic rift, and have spread apart in the last 70 million years.
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Which of the following seismic waves travels the slowest?
a. surface waves c. shear waves b. pressure waves d. both surface and pressure waves
A book is resting on a table. How many forces would be in the free-body diagram of the book?
a. one b. two of the same type c. two of different types d. three or more of the same type e. three or more of at least two different types
How does the seven year cycle of weather compare to the yearly seasonal cycle with regards to the change in the earth’s temperature?
What will be an ideal response?
Consider each of the following statements that you might hear in everyday life. Classify each statement as either an observation or an explanation.
What will be an ideal response?
