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 AnswerLearn MoreShare
2scienceBONUS 3: The word "vaccine" comes from the Latin word vaccinus which refers to what?Show AnswerLearn MoreShare
1scienceOf all the organs in the human body, which is the only one that can be completely removed without a loss of life? if organ divided into two parts, both must be removedShow AnswerLearn MoreShare
7scienceAbout three-fourths of the mass of the sun consists of which element?Show AnswerLearn MoreShare
17scienceWhich two chemical elements are most commonly used as disinfectant or antiseptic?Show AnswerLearn MoreShare
2scienceThe fastest growing plant can increase up to 35 inches (or 90 cm) in one day. What is it?Show AnswerLearn MoreShare
8scienceWhich large, white puffy clouds are usually a sign of good weather?Show AnswerLearn MoreShare
20scienceThe color chartreuse is basically a combination of which two colors?Show AnswerLearn MoreShare
6scienceWhat is the most common gas in the earth's atmosphere? Is it nitrogen, oxygen, ozone, or carbon dioxide?Show AnswerLearn MoreShare
10scienceFrom the name of the Greek goddess of health, the one often pictured feeding a pet snake, comes an English word which concerns most people most of the time. Who is this Greek goddess?Show AnswerLearn MoreShare
1scienceWhich 19th century French chemist, who discovered that diseases are caused by microorganisms, is considered the founder of modern microbiology?Show AnswerLearn MoreShare