Why Are Elements Heavier Than Iron Less Abundant Than Those

question 80

Multiple Choice

Why are elements heavier than iron less abundant than those that are lighter?

• A)because the duration of a supernova is relatively short
• B)because they tend to be unstable,and easily undergo fission
• C)Spectral evidence suggests they are only rare here on Earth.
• D)This is one of the mysteries of cosmic formation that has yet to be answered.