What was one of the challenges Dr. Salk faced in his attempt to create a polio vaccine? (10 points)
a
b
Dr. Salk did not have enough money to pay for his research and supplies.
Dr. Salk had to create one vaccine that was effective against three different viruses.
Dr. Salk had to convince government officials to allow him to test the vaccine.
Dr. Salk's idea for a vaccine was not supported by other scientists and physicians,
d
Question 4 (10 points)
Read the entry on Jonas Salk from Compton's Encyclopedia/The Britannica School Edition, and answer the
Compton's Encyclopedia

What is most likely to be the author’s intended use of eye rhyme in this excerpt

Can anyone plz with this question i accidentally posted on physics it's 99 points plus this 5 ponts and will mark as brainliest link :

1. at the conclusion of chapter 13, the monster realizes that he has none of the qualities or possessions that human beings value, and so he worries the he will be forever miserable. he says, “oh, that i had for ever remained in my native wood, nor known nor felt beyond the sensations of hunger, thirst, and heat! ” this statement recalls one made by victor frankenstein in chapter 10: “if our impulses were confined to hunger, thirst, and desire, we might nearly be free; but now we are moved by every wind that blows, and a chance word or scene that that word may convey to us.” questions: what do these two statements suggest about the impact of knowledge? how do the statements affect the way readers view the monster and victor?