At the start of the Paleozoic, North America ________
A) had abundant life
B) was a large number of small fragments that had not yet collided
C) did not exist
D) had no plants or animals
E) was mountainous and dry
D
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Which of the following is NOT associated with braided streams?
A) an abundant supply of sediment B) a broad sediment-covered plain C) a range of sediment sizes, including sand and gravel D) cutoff meanders
Imagine you are an astronaut, landing on an alien world. Looking out your spacecraft window, you see a world that looks very much like Earth. You notice a disappearing stream and two sinkholes
Based on your training in Earth science, make a prediction about the rock type you would find in the area where you have landed, and justify your prediction. Make a second prediction about the composition of the atmosphere on the new planet. What will be an ideal response?
What kind of continental margin is visible in this image?
A) Active B) Rift C) Passive D) Transform
In the shorelines investigation, what do the embayments along the eastern coast probably reflect?
A. marine terrace B. spit and sand bar C. sandy beach D. submerged coastline E. delta F. sea cliffs