Plz ! 50 which can make you vulnerable to illness? a. happiness b. strenuous activity c. stress d. regular exercise which of the following are healthy guidelines for hand washing? a. use cold water. b. rub your hands vigorously with warm, soapy water, for 15 seconds. c. use a dirty towel to dry your hands. d. none of the above.

The answer to the first one is C. Stress

Stress can lower the immune system if experience constantly. This is because the body is focused on reducing the cause of the stress rather then fighting off potential illnesses. Also being stressed takes a lot of energy that is eventually taken away from other functions in the body, such as the immune system

The second answer is B. Rub your hands vigorously with warm, soapy water, for 15 seconds

^^^This ensures that most of the bacteria on your hands is most effectively killed

Hope this helped!

~Just a girl in love with Shawn Mendes

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c. will be your answer sorry if im wrong tho