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 frog ringer solution is a solution of several salts which are dissolved in water in order to create an isotonic solution relative to the body fluid of an animal. The frog ringer solution that is used to bathe nerves must contain calcium in order to maintain the natural environment of the nerves. In the body the nerves are continuously exposed to different level of calcium ion and this must be taken into consideration during the preparation of specimen.<span />
Answer:
Blood test
Explanation:
From those two symptoms blood test would be the best in my opinion .
Answer:
D) Mendel's law of independent assortment
Explanation:
i just did it on USATESTPREP and got it right