The spread of ideas, innovations, fashion, or other phenomena to surrounding areas through contact and exchange

Why are all maps distorted? when reading a map, why is it important to check the legend? what is the difference between longitude and latitude? identify the meridian at 0° longitude and the parallel at 0° latitude.

Ineed , i need to create a power point in life science here is a picture explaining a little what the topic is about, me with some information for my slides : (

Why are there restrictions to traveling to cuba?