What is an amphidromic point?
a. A node in the center of Earth
b. A node in the center of an ocean basin
c. A node in the center of the Earth-moon orbit
d. A node that indicates the peak in a tidal wave's crest
e. A node that indicates the center of a wave's trough
b
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All rain tends to be slightly acidic
Indicate whether the statement is true or false
Continental rifts have a diverse suite of igneous rocks associated with them because melting occurs
A. only in the crust. B. only in the mantle. C. in the mantle and in the crust.
There were quite a few environmental laws that were passed in the 1970s. Why is it important for people living in the twenty-first century to be familiar with these and other more recent environmental laws? In your discussion, discuss at least four specific examples.
What will be an ideal response?
Discuss the historical development of geologic time. What is the probable age of the Earth based
on present geological data? How has this probable age changed with time and the development of new dating techniques? What will be an ideal response?