They most likely belive that as, he travled he had new ideas that made him revise it.
Answer:
C) Terrible diseases, once eradicated, could resurface.
Explanation:
According to the article, the narrator believes that if more parents refuse to vaccinate their children, then there could be an increase in terrible diseases that were previously eradicated.
He wonders, "As the number of unvaccinated children in my practice increases, I wonder if I am creating a risky environment for vaccine-preventable infections in my community"
The correct answer is All humans are part of the same world and should be treated as equals.
None of the other aspects are mentioned nor are they implied in any way.
A functional text is a text which helps us to do something such as cook a recipe, assemble a piece of furniture etc. The approach in learning from such text could be relying on headings and graphics to see what are the steps from the headings and the graphics to show us how to put things together with a picture for example.
