Question 1
We did not have accurate scientific estimates of the age of
the Earth until the...
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Biology
Question 1
We did not have accurate scientific estimates of the age ofthe Earth until the 1960's and 1970's because:
a. Reliable radiometric techniques that could date theearliest time periods were not available until then.
b. The major religions around the world stopped scientistsfrom finding out the real date.
c. No one wanted to know this fact before the 1960's and1970's.
Question 2
Which of the following is a relative date?
a. The first hominid dates to around 6 million yearsago.
b. Fossil A is 1000 years older than fossil B.
c. Fossil B is older than fossil C.
Question 3
The statistical measure of the rate of decay of a radioactiveisotope is termed its half-life.
True or False
Answer & Explanation
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Q1 The answer will be option a Reliable radiometric techniques that could date the earliest time periods were not available until then The radiometric technique is a method that is used to date rocks and other natural or artificial objects based on the known decay rate of radioactive isotopes The early radioactive
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