Briefly explain how mesas and buttes form. What will be an ideal response?
A nearly horizontal resistant layer of rock is breached by weathering and erosion, allowing the
underlying less resistant layers to be rapidly eroded. The flat-topped, steep-sided erosional remnants
are mesas, and further erosion leaves the pillar-like structures called buttes
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The study of earthquakes is called ____________________. Fill in the blank(s) with the appropriate word(s)
Upwelling along the coast of California ____
A) ?reduces the temperature of the local coastal climate B) ?reduces biological productivity C) ?increases the temperature of the local coastal climate D) ?is produced by north-flowing winds
The relatively young age of the seafloor supports the idea that subduction must take place (t/f)
What will be an ideal response?
One of the results of humans continuing to convert ecosystems to more direct human uses is that
A) the benefits are experienced locally while the losses are experienced regionally or globally. B) the human uses are much more productive than the natural systems. C) ecosystems function best when they are managed by humans for human uses. D) humans can redirect natural systems to more sustainable systems.