A: A fourth cousin is someone in a family who shares the same great-great-great-grandparents. First cousins share the same grandparents and second cousins have the same great-grandparents. Ordinal numbers of cousins are in the same generation as each other.
8 to 10 years-Should not be left alone for more than 1Â½ hours and only during daylight and early evening hours. 11 to 12 years-May be left alone for up to 3 hours but not late at night or in circumstances requiring inappropriate responsibility. 13 to 15 years-May be left unsupervised, but not overnight.
No magical age or single indicator that ensures a child is ready to stay at home alone (or with younger siblings). Some states have made laws that specify an age (e.g. 10 years old) below which it is illegal to leave children alone.