<span>Gypsum originated 200 million years
ago as a result of marine deposits when part of what are now our continents
were immense oceanic extensions. During this period some seas were dried
leaving plaster beds that were covered to be discovered later by man. Since the
time of memory plaster has coexisted with humanity and constitutes one of the
oldest building materials.</span>
What do u want me to answer?
Answer:
B The St. Lawrence Seaway
It points to the direction of where the wind is blowing and it shows how fast it’s going because of the front fan part
Maps help geographers study spatial relationships
