9scienceWhen Louise Brown was born in London on July 25, 1978, she was a medical "first". She was the first ... what?Show AnswerShare
12scienceWhy do children in southern Marin County have fewer cavities than children in northern Marin County?Show AnswerShare
1scienceThis vitamin helps maintain the skin, eyes, and healthy bones and teeth. It is found in milk, liver, eggs, butter, and vegetables. Which vitamin is it?Show AnswerShare
12scienceAs you travel around the earth, each one-hour change in time zone occurs, on the average, after how many degrees of longitude?Show AnswerShare
12scienceWhat do we call those cells in the retina that respond to low levels of light and allow seeing in the dark?Show AnswerShare
12scienceThe #1 cause of choking deaths in children (excluding food related) is caused by the swallowing of what object?Show AnswerShare
18scienceThis chemical element is an alkali metal, one of the lightest metals known. It is used in nuclear reactions, in batteries, in the glass industry, and as a medicine for the treatment of manic-depressive psychosis. What element is it?Show AnswerShare
18scienceThere is one bone in the human body which does not connect to any other bone in the body. Where in the body is this hyoid bone located?Show AnswerShare
14scienceIf the temperature centigrade increases by 10 degrees, by how much does the temperature Fahrenheit increase?Show AnswerShare
8scienceWhat word can refer to a soft, creamy European cheese, or to the fundamental units of matter, smaller than an electrons (as surmised by scientists).Show AnswerShare
8scienceIn human reproduction, the X-and Y-chromosomes determine gender. Is the X-chromosome associated with male or female characteristics?Show AnswerShare
7scienceGerman physicist Gabriel Fahrenheit, in the early 18th century, called 32 degrees the freezing point of water. And 0 degrees on his scale represented the freezing point of what mixture?Show AnswerShare
3scienceEach of these scientific words or phrases begins with the letter, "T." a. The metal with the highest melting point? b. A communicable disease marked by fever, diarrhea, headache, and intestinal inflammation and caused by a bacterium. c. A 4-sided solidShow AnswerShare
