Which sentence from the section "European Settlers Destroyed Crops, Seeds" BEST develops a central idea of the article?

What point is the author trying to make by comparing the travel times of the first transcontinental railroad and the first transcontinental flight?

In the odyssey - teiresias, when teiresias describes the conflicts that odysseus will face, how do these conflicts relate to the story's theme? the conflicts describe the theme. the conflicts contrast with the theme. the conflicts reveal the theme. the conflicts hide the theme.

Time remaining 59: 40 luka is writing a fictionalized story about a physicist. what would be the best choice for source material to use for his story? o o o o a blockbuster film a national newspaper a science-fiction website a popular novel