Africa.
Europe.
Asia.
North America.
South America.
Australia (or Oceania) THE ONLY CONTINENT WITHOUT GLACIERS!!
Antarctica.
Chemical. burning is a chemical change
For which of the following conversions does the value of the conversion factor depend upon the formula of the substance?
The answer is C
Answer:

Explanation:
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In this case, since isotopes of the same element have the same number of protons and electrons but different atomic mass, we can compute the number of neutrons by subtracting the number of protons to the atomic mass of the isotope; thus, for Ga-69 and Ga-71 (rounded up to whole numbers), we obtain:

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