Ask each student to toss the same coin twice. What are the possibilites ?
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Complete the given folwchart and answer the following questions. i. (##TRG_SCI_TECH_X_P2_C09_E06_011_Q01.png" width="80%"> ii. Give at least two examples of diseases endangering the social health. iii. In which of these factors alcoholic drinks and drugs can be included ?

In the following activity, the values of a and b can be changed. That is by changing a:b , we can create many example. (NAV_MAT_IX_P01_C04_E03_001_Q01.png" width="80%">