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:
The suffix -ometer is commonly used to label measuring equipment and is just another form of -meter. Just like in thermometer. In cars you also have odometers that measure how far you've traveled. It comes from Ancient Greek metron (μετρον) meaning a measurement.
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I think the answer is "each other" for all of them?
