1, the causes of land and sea changes: changes in the crust, the rise and fall of sea level, and human activities.

2. Why is Mount Everest still rising? (The Eurasian plate and the Indian Ocean plate are moving relative to each other, and they are squeezing each other to form the Himalayas, and this movement is still going on, so Mount Everest is still rising. )

3. Annual variation of temperature: the highest temperature is in July in the northern hemisphere, the lowest in 1 month, the highest in August and the lowest in February in the ocean.

4. Factors affecting the climate: latitude, land and sea, and topography (the temperature drops by 0.6°C every time the altitude rises 100 m). ) and human activities.

5. Mediterranean climate-hot and dry in summer, mild and rainy in winter, distributed in the west coast of temperate continent.

6. Subtropical monsoon climate-high temperature and rainy in summer, low temperature and little rain in winter, distributed on the east coast of temperate continent, Nanchang is this climate type.

7. Temperate climate type The interior of the mainland is temperate continental climate, which is the most widely distributed in temperate regions.