The Gutenberg Bible was the first major book printed using mass-produced movable metal type in Europe.
Hope this helps!
I’m not sure but it’s definitely a stimulus and I think if it wants specific terms it is a Conditioned Stimulus
An estuary is partly enclosed coastal body of water with one or more rivers flowing through it, and with a free connection to the open sea. it would be more of a collection. hope this help have a great day.