According to Solon, a Greek philosopher who lived 2,500 years ago, how many segments are there in a lifespan?

Which of the following is a risk associated with frequent ultrasound use?

A) premature labor B) miscarriage C) low birth weight D) limb deformities

According to research on grandparent-grandchildren relationships, what is the most common explanation for a remote relationship between grandparents and their grandchildren?

A) Absence of emotional bonds or affectional ties B) Disinterest on the part of either or both parties C) Interference by parents D) Physical distance