گزینههای پاسخ: Principal, Teachers or members of <school management team>, <School governing board>, <Local or municipal authority>, <Regional or state authority>, <National or federal authority>, Valid Skip, Not Applicable, Invalid, No Response
گزینههای پاسخ: Human activities such as burning fossil fuels for energy, Natural changes in the environment, Equal parts human activities and natural changes, Other
گزینههای پاسخ: Principal, Teachers or members of <school management team>, <School governing board>, <Local or municipal authority>, <Regional or state authority>, <National or federal authority>, Valid Skip, Not Applicable, Invalid, No Response
