Which of the following is a common mourning practice in many cultures worldwide?

A common mourning practice in many cultures around the world is wearing specific clothing, often black, to show sadness after someone has died. This practice helps people express their grief and lets others know that they are in a period of mourning. For example, in many Western cultures, it is traditional for people to wear black suits or dresses during funerals to honor the deceased. This visual sign of mourning can create a sense of community among those grieving, as it allows people to recognize and support each other during a difficult time. Overall, these practices help individuals process their emotions and remember their loved ones.