Science 30 January 1999 Grade 12 Diploma Examination

Multiple Choice• Decide which of the choices bestcompletes the statement or answersthe question.• Locate that question number on theseparate answer sheet provided andfill in the circle that corresponds toyour choice.ExampleThis examination is for the subject ofA. scienceB. biologyC. physicsD. chemistryAnswer SheetA B C DNumerical Response• Record your answer on the answersheet provided by writing it in theboxes and then filling in thecorresponding circles.• If an answer is a value between 0 and 1(e.g., 0.25), then be sure to record the 0before the decimal place.• Enter the first digit of your answerin the left-hand box and leave anyunused boxes blank.ExamplesCalculation Question and SolutionThe average of the values 21.0, 25.5, and24.5 is _________.(Record your answer to three digits in thenumerical-response section on the answersheet.)Average = (21.0 + 25.5 + 24.5)/3= 23.666= 23.7 (rounded to three digitsRecord 23.7 on theanswer sheet 2 3 . 7. .0 0 0 01 1 1 12 2 2 23 3 3 34 4 4 45 5 5 56 6 6 67 7 7 78 8 8 89 9 9 9ii