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It is possible to examine relative physiological stress though the use of indirect survey questions.

______________ surveys describe the prevalence of a health-related outcome(s) in representative samples.

Lewis et al. (2016) cites the Healthy People 2020 report when describing the prevalence of those not meeting physical activity guidelines. The Healthy People 2020 report suggests that about _____of adults engage in no leisure-time physical activity.

  QUESTION 6     Answer both questions in the space below.   6.1 Explain what non-renewable energy means.  (1) 6.2 Give one example of generating electricity using a renewable energy source. (1)

  QUESTION 5   5. Fossil fuels are used for energy production. Give one example of a negative impact this has on the environment. (1)  

1.3 Materials that electrical current cannot flow through are called (1)

1.2 The purpose of the plastic or rubber coating around electrical cables is (1)

  VRAAG 7   7. Kilowatt is die eenhede wat gebruik word om die elektrisiteitsverbruik in huishoudings te meet. As jy ‘n 3,0 kW -oond vir 2 uur en ‘n 0,12 kW -TV vir 2 uur sou aanskakel, wat sou duurder wees om aan te hê en hoekom? (1)

  QUESTION 1: MULTIPLE CHOICE     Read the following statements and then choose the correct answers from the options provided below (Questions 1.1-1.3). [3]

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