Your answer: "<span>pumice, a glass that comes from lava, is used for grinding and polishing materials".
This would be your correct answer, mainly because, after noting down a comma, we would (NOT) want to rephrase the topic, or even to restate the topic as well. And based on this, if we have noticed in our options, the first one, this sentence does not restate the topic after noting the comma.
Your answer: "</span><span>pumice, a glass that comes from lava, is used for grinding and polishing materials".</span>
Answer:
<em>Building the house on the top of a hill, she became famous.</em>
Explanation:
The given sentences are two independent clauses that talk about a single noun/ pronoun (in this case). And to rewrite them, we need a change in the way the sentence is constructed, depending on what the requirement is.
With the need to start the sentence with "building", we can rewrite the given sentences as "building the house on the top of a hill, she became famous." This makes the first part a dependent clause, starting the sentence with a participial phrase and also a gerund "building", thus the need for a comma after "hill".
Thus, the new sentence will become
<em>Building the house on the top of a hill, she became famous.</em>
The indirect object of the sencence is a. Your
