1. The document is an exam paper on energy resources and electrical circuits with 6 questions. It provides the questions, marks allocated to each question, and sample answers. 2. Question 1 covers solar cells and wind turbines, asking about reasons they may not work at night or when there is little wind. Question 2 is about fuels and their emissions, asking about ethanol, hydrogen, oxygen and reasons crops are a renewable resource. 3. Question 3 asks about fossil fuels and renewable energy sources. Question 4 covers series and parallel circuits and how circuits are affected if a component fails. Question 5 is about a doorbell circuit and safety around electricity. 4. Question 6 asks about the transfer of energy in a hydro