20scienceIn terms of personal computer use, the United States leads the world with almost 150 million personal computers in use. Which three countries follow in total computers?Show AnswerShare
17sciencea. What is Newton's first law of motion? c. What is Newton's second law of motion? b. What is Newton's third law of motion?Show AnswerShare
19scienceA great milestone in human science occurred in 1628, when the English physician William Harvey first described what important bodily function or system?Show AnswerShare
2scienceWhat disease, caused by a deficiency of vitamin C, is characterized by bleeding gums and extreme weakness?Show AnswerShare
11scienceFor the human animal, who has more influence in determining the sex of a child? The mother, the father, or both equally?Show AnswerShare
2scienceDeveloped in the 1930s, anabolic steroids were used to restore body weight in concentration camp survivors, as treatment of anemia and breast cancer. Since the 1950s they have also been used and abused by athletes seeking to enhance performance. AnabolicShow AnswerShare
12scienceOn January 24, 1996, the Food and Drug Administration approved human consumption of a synthetic, calorie free fat substitute called what?Show AnswerShare
8scienceWhat do we call the black circular opening in the center of the iris of the eye, through which light passes to the retina?Show AnswerShare
17scienceMore than any other languages, scientific material has been printed in which two languages?Show AnswerShare
10scienceGive the proper names for the two major branches of biology; one deals with plants, the other animals.Show AnswerShare
5scienceTropical depressions become tropical storms when maximum winds reach 39 mph. They become hurricanes when winds reach how many miles per hour? (within 3)Show AnswerShare
4scienceCustomarily, the primary colors of the visible spectrum were red, orange, yellow, green, blue, and violet. However, around 300 years ago, Sir Isaac Newton found another, situated between blue and violet, and named it what?Show AnswerShare
4sciencePeople with the AIDS disorder are HIV positive. What is HIV an abbreviation for?Show AnswerShare