Here's link to the answer:
tinyurl.com/wpazsebu
D. this is the correct answer because the question is showing a comparison of sizes rather than the actual sizes which eliminates B. A and C have no relevance.
(35/18.02)(6.02kJ)=11.6926 kiloJoules
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Titanium is known as a strategic metal because it is one of the most abundant items on Earth! Also, it is used to build structures, such as space crafts, aircrafts, etc.
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Hope this helps!
