Popular Post :

• in a public opinion poll, a polling company used an online survey tool to randomly contact respondents who did not have telephone lines in addition to contacting people over the phone. which of the following best explains this decision?
  
• which substances must a green plant obtain from its environment to carry on photosynthesis?
  
• read the following text from a student essay. how can the writer best improve his or her word choice? my favorite shows are shows about science. a good science show should demonstrate how to do experiments. more importantly, a science show should have a host that is really excited about science. if the host of a science show is excited, it makes the people at home excited too. even if you think you don't like science, you should try watching some of the science shows that i watch. you'll get to learn more about science and how it's done.
  
• the economies of most african colonies were dependent on industrial development. one or two crops. a strong middle class. diverse farmlands.
  
• the daily recommended allowance of calcium for a sixth grader is 1,200 mg. one cup of milk has 25% of the recommended daily allowance of calcium. how many milligrams of calcium are in a cup of milk?
  
• sam enjoys looking at stars through his telescope. he learns that stars were originally clouds made of dust and gasses. which statement best describes how these clouds eventually become stars? the clouds eventually collapse under the force of gravity. the clouds increase in temperature until they eventually form a solid. the clouds contain particles that are magnetically attracted to each other. the clouds begin to cool and form masses of ice that eventually fuse together.
  
• a box sits on a table. a short arrow labeled f subscript n = 12 n points up. a short arrow labeled f subscript g = 12 n points down. a long arrow labeled f subscript p = 15 n points right. a short arrow labeled f subscript f = 3 n points left. a man pushes on the box from the left. what is the force of friction acting on this box? n what is the net force acting on this box? n to the
  
• sodium-24 has a half-life of 15 hours. after 45 hours, how much sodium-24 will remain of an original 50.0-g sample?
  
• six sophomores and 14 freshmen are competing for two alternate positions on the debate team. which expression represents the probability that both students chosen are sophomores? startfraction (20 c 6) (19 c 5) over 20 c 2 endfraction startfraction (20 p 6) (19 p 5) over 20 p 2 endfraction
  
• a strategy president truman and his advisers considered to end world war ii was assassinating the japanese emperor. seeking an immediate peace treaty. continuing to fight the war the same way. sending most us troops to europe.