Answer:
The two sentences which support the overall argument with facts are:
- Statistics show that most vaccines are more than 90% effective in preventing diseases.
- However, when people are not vaccinated, they are at risk of catching diseases that others are immune to.
Step-by-step explanation:
These two sentences (above) present factual information like statistics and what the risks are when getting vaccinated and therefore support the argument with facts.
The sentences in between these factual supporting sentences present additional information which help explain and elobarate on the factual information provided.