According to the 2006 Population Reference Bureau, the estimate of women in the world who are at risk of pregnancy is about: 1 million

7 million

1 billion

2 billion

Which of these is the best example of sexual objectification? a) a female initiates a conversation with another female. b) a male proposes marriage to a female. c) a female makes repated coments to a male about his appearence. d) a female proposes marriage to a male.

Most of the phosphorus on earth comes from ?

Are chemicals that are essential to all cellular activity, the body convertcarbohydrates and fats into energy.