Junior high school geography and biology exam questions (People's Education Edition)

(Total score: 100 points, test time: 100 minutes)

1. Fill in the blanks (1 point for each blank, ***17 points)

1 ． The ocean area on Earth accounts for % and the land area accounts for %.

2． The largest landmass on earth is called , and the smallest continent is . The largest island in the world is Aoshima located in Asia.

3. The proposer of the theory of continental drift is a Chinese; the theory of plate tectonics divides the earth's surface into large plates.

4. The theory of plate tectonics holds that the earth's surface composed of is not a single piece, but is made up of pieces. The world is roughly divided into major plates, and each major plate is in constant flux. Generally speaking, the crust within the plate is relatively small; the crust at the interface between plates is relatively small. The world's , , are also concentrated in areas where plate boundaries meet.