what is the hypothesis in dirt can cause germs.​

Sagot :

Answer:

The hygiene hypothesis says a child's environment can be "too clean," and the lack of exposure to germs does not give the immune system a chance to develop resistance to diseases.

Answer:

The hygiene hypothesis says a child's environment can be "too clean," and the lack of exposure to germs does not give the immune system a chance to develop resistance to diseases.