how do atoms combine to form extended structure?

A store manager is marking down cameras from $300 to $150. What percentage is the discount?Write your answer using a percent sign (%). How is soil polluted?Explain. Write a thesis statement for your argument. For the use of genetically modified foods -x+3y=0x+3y=12System of linear equation by elimination $120; Markup: 35%What's the final price? pls show how u got the answer... Help meee! Ex: In the following sentences,identify the misplaced modifiers and place the modifying words, phrases or clauses nearer the words they modify. 5. Susan reported the accident in a quivering voice.6. She only refused our offer of help because she wanted to be independent.7. He said that he only caught three small fish.8. The boy was rescued after he was nearly drowned by a lifeguard.9. A dog is good company that is well-trained.10. She gave the fish hook to her brother baited with a worm.11. The bartender handed a glass to the customer that was half full.12. It is the car that won the race which has yellow wheels.13. She had a meal in a restaurant that was low in price.14. The cow he was milking irritatedly switched her tail.15. I want to, if I can, leave the office early.16. He realized, after many hours, that his course of action was wrong.17. They love their work and do not consider it a burden, really.18. The wedding ceremony is held at the brides home, which is the most festive of all Amish ceremonies.19. Everyone nearly suffers when unemployment rises. 20. The astronauts looked forward to landing on the moon for several years. Ethanoic acid is a weak acid becauseIs a carboxylic acidDoes not irritate the skinIs not completely ionized in waterProduces one hydrogen ion per molecule which prime number is found in between 70 and 80 and is made up of two odd digits which add up to 10 how do you separate the following mixture? Name only the process involved .1.Sand and salt whats valency of nitrogen in N2O3, N2O5 and NO pas n'etudiez vous d'accord demain from the roots up through the stems and into the leaves, replacingthe water used in ?? where is here? Joyce Carol About the father. A. Val Pro ProB. Leu His Ser C. Pro Val Pro D. Val Leu Pro Vesta is a minor planet (asteroid) that takes 3.63 years to orbit the Sun. Calculate the average sun -Vesta distance pls help me with this:(((((( List some ideas you can think of to help improve our school. What are the characteristics of an infection? Andrew shovels snow for 4 %2 hours and makes$27. How much did he make per hour?And how much does he earn in 8 hours? During the year 2011 season a quarterback passed for 302 yd per game he played on my 16 regular season game for that year for how many total yards did the quarterback pass