HELP ASAP!! An experiment is performed in which a crystalline substance is added to a beaker filled with room-temperature water. The following observations were made:
1. The crystals dissolve.
2. A precipitate forms.
3. The bottom of the beaker feels warm to the touch.
4. Bubbles begin to form in the water.
Which observations are evidence that a chemical reaction took place?

Select the correct answer.What is the simplest form of this expression?(2x-3)(3x+2x-1)O A 6x-5x-8x+3OB. 6x-5x - 6x + 2OC. 6x-9x - 4x +3OD. 6x-2-8x+3 Air temperature represents the average speed the air molecules move. When the average speed of air molecules ______________, then the temperature will _______________. Find , 2 Cu, 3V, V - u, and 2u + 5v. 3 u = (8, 3), v = (6, -7) (a) 2 a u 3 (b) 3v (c) V u (d) 2u + 5v This rectaglular frame is made from 5 straight pieces of metal the weight classify predator responses to changes in prey population size as either numerical or functional. you are currently in a sorting module. turn off browse mode or quick nav, tab to items, space or enter to pick up, tab to move, space or enter to drop. numerical response functional response A trough, or downward fold, called a(n) _____ is formed when a rock is deformed through folding. The oncology nurse specialist provides an educational session for nursing staff regarding the characteristics of Hodgkin's disease. The nurse determines that further teaching is needed if a nursing staff member states that which is a characteristic of the disease? Mythology and Folklore Critical thinking questionsPlease answer the following questions using complete sentences, also please make sure to ANSWER THE QUESTIONS FULLY AND COMPLETELY:1. A common theme in many myths is violence. What is one possible explanation for this?2. Many of the myths and legends we know today were gleaned from just one or two sources or artifacts that survived to the modern era. Without these artifacts, these ancient myths and legends would be gone forever. Why is it important that we preserve the stories of our past AND our present?3. In the cultures described in the unit, the gods and goddesses behaved very similarly to humansthey got jealous, they argued, and they fought with each other (and mortals!). Why do you think it was important to show them as human? George came up with a secret banana bread recipe that he sells in his bakery. Which intellectual property law would best protect his recipe? 15 yo M presents with a one-year history of failing grades, school absenteeism, and legal problems, including shoplifting. His parents report that he spends most of his time alone in his room, adding that when he does go out, it is with a new set of friends. What the diagnose? is there another square other than the own drawn to make a reflective symmetry? Brian, a self-employed individual, pays state income tax payments of:$ 900 on January 15, 2020 (4th estimated tax payment for 2019)$1,000 on April 16, 2020 (1st estimated tax payment in 2020)$ 1,000 on June 17, 2020 (2nd estimated tax payment in 2020)$ 1,000 on September 16, 2020 (3rd estimated tax payment in 2020)$ 800 on January 15, 2021 (4th estimated tax payment of 2020)Brian had a tax overpayment of$ 500 on his 2019 state income tax return and applied this to his 2020 state income taxes. What is the amount of Brian's state income tax? itemized deduction for his 2020 Federal income tax return? Which of the following is not a primary source of corporate debt financing?LeasesBonds PayableCommon StockNotes Payable A composite figure is composed of a semicircle whose radius measures 4 inches added to a square whose side measures 11 inches. A point within the figure is randomly chosen.What is the probability that the randomly selected point is in the semicircular region?Enter your answer rounded to the nearest tenth in the box. The total surface area of theprism isA. 180 cmB. 244 cmC. 200 cmD. 190 cm Joeys Bike Shop sells new and used bicycle parts. Although a majority of its sales are cash sales, it makes a significant amount of credit sales. During 2018, its first year of operations, Joeys Bike Shop experienced the following:Sales on account $ 260,000 Cash sales 580,000 Collections of accounts receivable 235,000 Uncollectible accounts charged off during the year 1,250 RequiredAssume that Joey's Bike Shop uses the allowance method of accounting for uncollectible accounts and estimates that 1 percent of its sales on account will not be collected. Answer the following questions:What is the Accounts Receivable balance at December 31, 2018?What is the ending balance of Allowance for Doubtful Accounts at December 31, 2018, after all entries and adjusting entries are posted?What is the amount of uncollectible accounts expense for 2018?What is the net realizable value of accounts receivable at December 31, 2018?a . Accounts receivable b. Allowance for doubtful accounts c. Uncollectible accounts expense d. Net realizable value List how much ATP is produced by aerobic respiration, identifying all the sources of ATP.LO #5 (Set 6) T/F:people with anorexia nervosa are usually high academic and athletic achievers What is the distance between (1, 2) and (1, -10)? What are often used to check the effectives of CP and are made of the same metal as the structure they are electrically connected to?A) half cellsB) line locatorsC) couponsD) current interruptersE) full cells