Please state or attach the sentences so that we can answer your question.
The correct answer is "Compared to surgery or to chemicals used to treat cancer at the time, radium was much safer and more effective."
Explanation:
"Marie Curie and the Discovery of Radioactivity" describes the way Marie Curie and her husband discovered radiation through the discovery of Radium and Polonium elements, as well as, how this had an effect on the world.
One detail that shows this discovery was beneficial to humanity is "Compared to surgery or to chemicals used to treat cancer at the time, radium was much safer and more effective" because after Marie Curie discovery radiation became a the most effective and safest method to treat cancer as it reduced the growth of cancer cells and it was less invasive than surgery. Moreover, this use of radiation in medicine saved thousands of lives.
Answer:
A second prepositional phrase in a sentence that modifies part of the first prepositional phrase. There can also be a third nested prepositional phrase that modifies part of the second prepositional phrase, and so on.
Hope this helps :)
Some time in your life when you’ve struggled maybe with schoolwork or grades and had to persevere and overcome the situation. Talk about how you did it and the steps you took to restoring something like your grades and academic blah blah blah if you know what I mean.
Find the key points throughout the presentation. Write down things you normally wouldn't remember or know and try to use dot points it takes too long to write full sentences and you will miss all the other information.
