You are camping in a remote region. The next day, you plan to take a long hike and return to camp before dusk. A friend suggests that after hiking, you might want to enjoy a warm shower. She suggests that before you head out in the morning, you should suspend a strong, waterproof, black bag full of about five gallons of water, so that it sits in the sunshine all day. When you return, the water should be warm, and you can enjoy a luxury because of good planning. The next day, when you return from your hike, you enjoy a warm shower at your campsite! The process that you used to get a warm shower uses __________.
passive geothermal energy active solar energy using PV technology passive solar technology active solar energy using a CSP system
The process that you used to get a warm shower uses passive solar technology. This method involves using the sun's energy to heat the water without the need for mechanical systems or active components, such as pumps or photovoltaic cells. By suspending the black bag of water in the sun, you are allowing the sun