What is the importance of interlocking the fingers and rubbing while washing hands? the palms are the dirtiest parts of the hands. the spaces between the fingers get washed. the backs of the hands get washed. the fingernails are the dirtiest parts of the hands

it helps us clean the places that are hard to clean all at the same time while making suds to get rid of the dirt and dust that lies in the crevecas of your hands and interlocking the spreads the crevaces to get the dirt/dust out

Explanation:

i think it is true since you can test the answer and can use observations to complete it.