Which type of diffusion occurs when an idea spreads throughout the population without the actual physical movement of people? Economic diffusion
Hierarchical diffusion
Contagious diffusion
Stimulus diffusion
Relocation diffusion

Answer(a); // soil salinization and waterlogging;

Western europe's proximity to water has affected its climate since large bodies of water in the moderation of air temperature of the surrounding areas. the economy is also affected since it is great for the economic growth of the region. this allows easy access to trade for europe. culture is also affected by the proximity of water through the pattern of their day-to-day living.

Either b or c . i did this before

The answer to this is a