Question

part a: in the paragraph about mount pinatubo, the author states that most volcanic clouds quickly dissipate. what does the word dissipate most closely mean in this context? a. to mix with other gases and turn into foam b. to become stronger and more dangerous c. to break up and scatter or disappear d. to erupt with great force part b: which phrase from the text best helps the reader determine the meaning of dissipate? a. _it mixed with water and gases in the stratosphere. b. _but pinatubos eruption cloud rose so high_ c. _it turned into foam and remained in the sky. d. _it was not as powerful as tambora_.

Explanation:

For Part A:

• The word "dissipate" means to break up and scatter or disappear. Option A is incorrect as there's no indication of turning into foam. Option B is the opposite of what "dissipate" implies. Option D is about eruption force, not the meaning of "dissipate".

For Part B:

• The phrase "it turned into foam and remained in the sky" contrasts with the idea of dissipation. If something remains, it didn't dissipate. The other options don't directly relate to the concept of something breaking up or disappearing. The phrase that helps is the one that shows the opposite - remaining.

Answer:

Part A: C. To break up and scatter or disappear
Part B: C. "…it turned into foam and remained in the sky."