Geography in senior high school is a compulsory exercise book. The answer in the second section of the fourth chapter is the impact of global climate change on human activities for your reference!

A: Section II: Impact of global climate change on human activities.

1.B 2。 B 3。 D 4。 B 5。 B 6。 C 7。 B 8。 D 9。 B 10。 A

1 1.( 1)

(2) Warm and cold

(3) warm 2 ~ 3 cold 1 ~ 2

12.( 1)A

(2) Europe North America Asia

(3) Burning a lot of mineral energy, deforestation and other polar glaciers melt, causing sea level rise, leading to the inundation of coastal cities and affecting the economic development of coastal areas.

(4) Most countries in the world are working together to deal with dangerous climate change, which is one of the biggest challenges facing the world. The United States is the world's largest emitter of greenhouse gases, accounting for almost a quarter of the world's total emissions. It should join the actions of the international community and do its part to curb global warming. (reasonable)