Sea ice melts and exposes darker ocean water. Consider only the effect of this change on reflection of sunlight. Which sequence describes the effect on Earth's temperature?
More sunlight is reflected, less is absorbed and warming increases.
Less sunlight is reflected, more is absorbed and warming increases.
More sunlight is reflected, more is absorbed and warming decreases.
Less sunlight is reflected, less is absorbed and warming decreases.
96 exam-style questions on Edexcel GCSE Physics 5.3 Black body radiation, covering 5.3.1 Emission of radiation and temperature, 5.3.2 Radiation balance and constant temperature, and 5.3.3 The temperature of the Earth. Each one has a worked solution and a mark scheme showing where the marks go.