Based on the clue 'at 76 this center from china would be a big part o...', what is the answer?

What is associated with: at 7339 feet mount orohena on this island is the highest point in the society islands? What is associated with: at 74 years of age this 1930s 40s movie companion of tarzan is the worlds oldest living chimp? Based on the clue 'at 75 to 100 pounds this largest south american ro...', what is the answer? What is associated with: at 752 am may 20 1927 this single engine monoplane took off from roosevelt field heading east? Based on the clue 'at 8 letters its the longest word hint its latin', what is the answer? What is associated with: at 80 she stepped down as president of the national american woman suffrage association in 190… Based on the clue 'at 81 he was the oldest man to sign the us constit...', what is the answer? What is associated with: at 81 this pennsylvanian was the oldest delegate at the 1787 constitutional convention?