Answer:
3.
Explanation:
3. Exposed many people to a weakened form of the measles virus, making them immune.
vaccines are weaker versions of the sickness so it's 3
The deep ocean vessels habe very thick windows and walls because the at very depth ocean the pressure is very high so the vessels should have very thick windows and walls to withstand the great pressure that is applied on the vessel. this also to insure the safety of the people inside it.
When you cross a plant with a dominant Trait with a recessive version of the same trait, the recessive trait disappears in the F1 Generation and re-appears in the F2 Generation.
They mix up the genes causing the organism to have more genetic variation
Answer:
D.relying on the Good Samaritan Law
Explanation:
EMT professionals are those who are involved in emergency works and this makes their work very important. Due to this the government made it possible for them to have special immunity during their course of work.
They are covered by the Good Samaritan law which enables them to respond first hand to any issue.