Answer:
Herd immunity occurs when a large portion of a community (the herd) becomes immune to a disease, making disease transmission unlikely from person to person. As a result, the entire community — not just those who are immune — is protected.
Explanation:
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Answer:
On President Barack Obama's inaugural address, he exalts America ancestors, and forty-four presidents before him. Their strength in the face of adversity. Also reflects on the prosperity and calm that America has lived through these presidents, but it calls attention to the times of crisis in which sometimes the oath was made.
He speaks of wars, times of violence and hatred, and of a weakened nation. That it is necessary to make difficult choices to prepare the nation for a new era.
Also he remembers that generations have faced wars, fascism, communism, but had won not only with missiles, but alliances, convictions, and values. Qualities like humility and moderation. Power alone can't change things, but is necessary prudent use; that security emanates from the justice, and strength of their example, as a nation.
The answer is 4. To Step Back
Answer:
Correct
Explanation:
the main idea isnt inspection, nor birds in chimneys. also chimneys needing to be outlawed is an opinion here.
