What is the relationship between global warming and geographical phenomena?

Answer: 1. A2。 B problem analysis: problem analysis: 1. Exclusion can be used for multiple-choice questions. Volcanoes and earthquakes are mainly caused by the internal forces of the earth and have little to do with global warming. 1 wrong. 2. Due to the influence of global warming on global precipitation, crop yields in low latitudes generally show a downward trend, and A is wrong; With the increase of temperature, the heating energy consumption in mid-latitude area decreases, and B is correct; Due to the increase of evaporation, the north temperate zone may degenerate into grassland, C error; In temperate regions, with the increase of temperature, the cold weather in winter will decrease, and pests and diseases will increase. D is wrong. Test center: This question examines the impact of global warming. Comments: The key to solve this problem is to master the impact of global warming on the natural environment and human activities, which can be used to analyze the relevant contents of teaching materials and belong to knowledge test questions.