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.
A
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Which of the following two stick structures are structural isomers?
A. a and b B. b and c C. b and d D. a and c E. none of the above
Near the shore of an extremely large lake, steam fog is more likely to form during the ____ and advection fog in early ____
a. ?spring; summer b. ?summer; winter c. ?winter; summer d. ?winter; autumn e. ?autumn; spring
The only continental ice sheets left on Earth today are in Greenland and Antarctica
Indicate whether this statement is true or false.
A ________, seen in the contemporary North American rural landscape, is characterized by farmers living on individual farms isolated from neighbors, rather than alongside other farmers in settlements
A) clustered rural settlement
B) dispersed rural settlement
C) clustered linear rural settlement
D) clustered circular rural settlement
E) main street settlement