Sex's education is instituted to help the student understandthe process of maturation, to eliminate anxieties related to development, to learn values, and to prevent disease.

Slowly and with care, the museum director removed the Ming vase from the shelf and placed it on the display pedestal.

Abraham Lincoln was a good president and was self-educated, hard working and always told the truth.

Narcissus, a character in mythology, gazed at his own image in a pool so ardently that he fell into itself and downed.

Collecting stamps, playing chess and to mount beautiful butterflies are derrick’s hobbies.

Despite America’s affluence, many people are without jobs, on welfare, and have a lot of debts.

Geochemistry includes the study of the movement of elements from one place to another as a result of processes chemical.

Thanks for the liberation of women, women can now take part in social activities.