Question

select 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:

In the text, the word "massive" is used to describe the cliffs in Yosemite Valley, which means very large and heavy.

Answer:

massive