Answer:
In the scientific method, observations lead to questions that require answers. In the scientific method, the hypothesis is a testable statement proposed to answer a question. In the scientific method, experiments (often with controls and variables) are devised to test hypotheses.
Answer:
D) Majority; unvaccinated
Explanation:
Herd immunity is a form of immunity that occurs when the vaccination of a significant portion of a population (or herd) provides a measure of protection for individuals who have not developed immunity
