Answer: if it had not been for the life boat
Answer: C. The Sierra Club was established and is still running today to protect the Sierra region.
Explanation:
John Muir was a famous environmentalist in the late 1800s and the early 1900s who fought for the protection of the U.S. mountains, rivers, and generally the U.S. wilderness.
He founded the Sierra Club which has continued his legacy and continues to take care of various wilderness areas in the United States including in Sierra where it lobbies government whenever a perceived threat is noticed.
1. Read and understand the prompt or writing directions
2. Take notes about the main idea and important details
3. Organize and outline ideas
The answer to this would be option B. This is the only sentence that uses an introductory word to the noun clause that is used as an adverb. If you will notice, the noun clause here is "when the flagpole was painted". And this noun clause modifies the verb "know". Hope this helps.