Which of the following processes can you infer is occurring in the sun, given its position on the Hertzsprung-Russell (H-R) diagram? A. contraction of the core only
B. expansion of the outer layer only
C. nuclear fusion only
D. contraction of the core, expansion of the outer layer, and nuclear fusion

At which battle did the duke of wellington defeat napoleon?

Compare how one's social status affect his or her opportunities in ancient greece and rome?

Write two paragraphs to explain how the cold war changed after the 1960s. first, identify the ways it changed during leonid brezhnev's leadership in the 1970s. then, explain how the cold war changed when ronald reagan was in office in the early 1980s. include supporting facts and details from the text in your response.