The changing distance between the earth and the sun over the course of the year is the main cause
of the seasons. Indicate whether the statement is true or false.
false
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A red shift indicates a light source
A. approaching. B. decreasing in energy. C. in decay. D. going away.
In the Insight to A National Geographic Explorer segment about Sylvia Earle’s encounter with an
octopus, we learn that humans are newcomers who have managed to dominate the earth in a relatively short time. Why does she have a problem with this? What are some problems that you could envision from human dominance What will be an ideal response?
Pahoehoe is best described as ____
a. blocky and angular b. ropy c. intrusive d. a type of columnar jointing e. a volcanic fissure
Which of the following is not a factor involved in mass wasting?
A. gravity B. the steepness of slopes C. the cohesiveness of the geological materials D. excessive amounts of water E. All of these choices are correct.