10. Very short answer I

 

a. Cleanliness is a practice that helps to prevent diseases and maintain good health.

 

b. Preventing infection and maintaining good health doesn't include safe drinking water.

 

c. Proper sewage disposal is one of the best habits that help prevent diseases and maintain good health.

 

d. Hygiene refers to the good habits and practices followed to avoid disease and maintain good health.

 

e. Hygiene refers to all the activities performed to improve and maintain only good health, and it does not include the state of mind.

 

f. Hygiene refers to the habits and practices used to avoid infections and maintain good health through cleanliness, safe drinking water, and sewage disposal.