central idea, tone, meaning of a word, and author's purpose

What is the central idea of the passage? "In this passage, the author argues that humans have a responsibility to protect the environment and preserve it for future generations."

What is the tone of the passage? "In this passage, the author describes the beauty of the mountains with reverence and awe."

What is the meaning of the word "placid" in this sentence? "The lake was placid and calm on that summer evening."

What is the author's purpose in writing this passage? "In this passage, the author seeks to inform readers about the history of jazz music and its cultural significance."

What is the central idea of the poem? "In this poem, the speaker reflects on the transience of life and the inevitability of death."

What is the tone of the passage? "In this passage, the author describes the main character's actions as reckless and irresponsible."

What is the meaning of the word "ephemeral" in this sentence? "The beauty of the cherry blossoms is ephemeral, lasting only a few weeks each spring."

What is the author's purpose in writing this article? "In this article, the author argues that social media is harmful to mental health and well-being."

What is the central idea of the passage? "In this passage, the author discusses the importance of exercise for overall health and well-being."

What is the tone of the poem? "In this poem, the speaker expresses admiration for the beauty and power of nature."