The MMR vaccine (also known as the MPR vaccine after the Latin names of the diseases) is an immunization vaccine against measles, mumps, and rubella (German measles). It is a mixture of live attenuated viruses of the three diseases, administered via injection.
Answer:
a
Explanation:
people can still be eating the same foods,but taking in more calories for the size portion of their meal.
You use it by first making a observation, second ask questions, third do background research, and fourth form a hypothesis
