They are helping verbs. Your helping verbs are the following:
am been may
is can might
are could must
was shall
were should
be will
being would
The answer to this question is chronological order, meaning, it is in an order that makes the most sense
#1 would be Anne Frank’s dads office building prepared the hiding place!
Helps organize and keeps things in order
Answer:
Bacterium: Many vaccines are created by taking bacterium from the virus inactivating it (no longer can it become a disease) and then injecting it into us so we know how to fight off that virus.
Germ: Vaccines are very important as it can protect us from harmful viruses and germs.
Smallpox: Edward Jenner created a vaccine for smallpox not even understanding the basic germ theory.
Immunity: Immunity happens when we have been vaccinated, our body knows how to fight off the virus.
Polio: On March 26th, 1953 Dr. Jonas Salk, a medical researcher invented a polio vaccine.
Rabies: My dog had to be vaccinated with a certified rabies vaccine before taking him across the border.
Explanation:
