Given the age of the meteorite is 4.5 billion years old with 78 atoms of lead-206 the answer should be B. 156. The half-life of uranium-238 in order to decay into lead-206 is 4.46 billion years, which means that the original number of atoms is 156.
The answer is The Doppler Effect. It is named after the Austrian physicist Christian Doppler, who described the phenomenon in 1842.
It is important because the results would not be reliable since other variables you are not testing could have been in affect.
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<u>Answer</u>: A) It is a step in glycolysis.
<u>Explanation</u>: <em>Glycolysis</em> is the metabolic process through which <em>glucose molecules</em> are broken down, whereas <em>β-oxidation</em> is the catabolic process through which <em>fatty acid molecules</em> are broken down.
