Tides of large amplitude occurring every two weeks at the new and full moon are called ________ tides.
A. semidiurnal
B. neap
C. spring
D. equatorial
E. declinational
Answer: C
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The subsolar point migrates annually between 47° N and 47° S latitude
Indicate whether the statement is true or false
Which of the following is true of a hormone?
A) It is produced at the site of its action. B) It is produced at one location and then transported to its site of action. C) Either a or b is true, depending on the hormone. D) Neither a nor b is true.
In which of the following ways is the study of tree rings, speleothems, and corals similar?
A) Each have growth bands, yielding evidence of the conditions under which they formed and grew. B) The fossilized form of each is used for understanding past climatic conditions. C) The chronology each can provide only dates back to a maximum of 5,000 years and are, therefore, only useful for relatively recent climatic trends. D) All are composed of organic materials and are therefore good candidates for radiocarbon dating.
Sandstones and gravels make the only aquifers; no other rocks are useful.
Answer the following statement true (T) or false (F)