Answer:
heat from the decay of radioactive elements.
frictional heating, caused by denser core material sinking to the center of the planet
Explanation:
<span>c. tradition is the only thing that prevents people from becoming uncivilized</span>
Mischievous, Independent, and Observant
Entertaining
At your aunt's retirement party, you would want to give a fun, entertaining speech incorportating a story about your aunt.
At a retirement party, you don't need to persuade anyone to do anything, since you knew about the retirement party, you would have planned a speech (so it would not be extemporanous and done spontasiously) and there's no need to inform anyone of anything at a retirement party.
Answer:
Smiling with enthusiasm, Sara, a confident young women, approached Jane and welcomed her to Oakdale. (second choice)
Hope this helped! :D