The modern geologic time scale is based on
A) age measurements by radioactive carbon dating.
B) sequences of relative ages.
C) type of sediment.
D) age measurements by radioactive carbon dating and sequences of relative ages.
E) age measurements by radioactive carbon dating and type of sediment.
Correct Answer:
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Q26: The top 1000m of the ocean is
Q27: Wallace's line indicates
A) an abrupt change in
Q28: Botanists and zoologists recognise similar biogeographical regions
Q29: The geographical regions recognised for plants are
Q30: Fossils in rocks tell us of the
Q32: Boundaries between eras of geological time
A) were
Q33: Which of the following statements is INCORRECT?
A)
Q34: The oldest known supercontinent is
A) Gondwana.
B) Rodinia.
C)
Q35: The oldest eukaryotes from fossil records
A) were
Q36: Stratigraphy is
A) the study of stratosphere.
B) a
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