Answer: on the test it would be D
Explanation:
I did the test and got it correct
D. It was written in memory of someone who died.
"O Captain! My Captain!" was written in memory of Abraham Lincoln.
This poem is classified as a elegy or a mourning poem
<span>
I hope this helps :)</span>
Answer:
heat from the decay of radioactive elements.
frictional heating, caused by denser core material sinking to the center of the planet
Explanation: