Answer:
A. Individuals and families ended up polluting more than factories
Explanation:
Germs are those organisms that can cause diseases.
<h3>What are germs?</h3>
The term germs have to do with the harmful pathogenic organisms that are able to cause diseases in the bodies of individuals.
The following are true about germs;
- An uninfected person may be able to fight off the infection before getting sick and passing it on to others.
- Just because people meet does not mean that they will make contact.
Learn more about germs:brainly.com/question/9594756
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They only looked at one school which is not representative of all students in schools. There could have been an illness going around at this particular school but they have nothing to compare their results to. There should be a control group of students at normal temperatures to compare results of the temperature difference effect also.
