Question

elect the word that means very large and heavy. when john muir visited the yosemite valley as a young man, it changed his life. he had never seen anything so spectacular as yosemites broad meadows and massive cliffs. he particularly loved half dome, the granite block that stretches almost five thousand feet into the air. for the rest of his life, muir worked to protect nature, especially yosemite. he became a public figure with a great deal of influence. he helped convince the u.s. government to protect yosemite by making it a national park. today, you can hike on john muir trail in yosemite national park.

Explanation:

To find the word meaning "very large and heavy", we analyze the context. The text describes Yosemite's cliffs as "massive", and the granite block (Half Dome) as stretching almost five thousand feet. "Massive" fits the description of being very large and heavy. Other words like "broad" (for meadows, meaning wide) or "spectacular" (impressive) don't match the "large and heavy" meaning.

Answer:

massive