Question

review the details below. - frequently hand - washing with warm water and soap is the best way to get rid of germs and prevent illnesses. - moderate exercise boosts the immune system and can reduce the risk of colds by a third. - used sponges and rags should be replaced regularly to avoid spreading harmful bacteria. choose the best topic sentence to introduce a paragraph containing these details. the best way to prevent illnesses is to maintain a healthy immune system. simple steps can reduce the likelihood of spreading or catching an infectious illness. it is possible to reduce the risk of colds and flus by washing your hands and working out several times a week.

Explanation:

The details mention hand - washing, exercise, and replacing sponges/rags, which are all simple steps to prevent the spread or catching of illness. The first option focuses only on immune system, and the third option only on colds/flu and two specific actions, while the second option encompasses all the details.

Answer:

Simple steps can reduce the likelihood of spreading or catching an infectious illness.