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Question
If an isotope has a half-life of 4 billion years, then in 4 billion years what will happen?a. All of the original amount will have decayed.
b. A quarter of the original amount will still remain.
c. Half of the original amount will still be present.
d. All of the original amount will still be present.
e. The original amount will have doubled.
Answer
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Related questions
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By far the largest collection of Homo erectus remains have been found at
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b. Zhoukoudian
c. Olduvai
d. Trinil
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a. are easily distinguishable from modern Homo sapiens
b. bear some similarities to early Homo specimens from East Africa
c. bear similarities to australopithecus specimens
d. have very small cranial capacities
e. are different from other hominins outside Africa
Q:
The Dmanisi site is notable for which of the following
a. Being in North Africa
b. Producing crania remains that are uncharacteristic of H. erectus
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a. 1.7 and 1.5
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c. 6.0 and 4.0
d. 3 and 1.0
e. 2.0 and 1.8
Q:
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b. the adult height of the Nariokotome youth would have been about 6 feet.
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Q:
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Q:
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Q:
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Q:
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