False they don't have to be clearly just has long as you have them so my teacher says!
The caravel boasted
two or three masts that had interchangeable sails. Square sails were used for open water while lateen sails were used for shoreline sailing. They also had a rounded bottom, making them faster than other vessels of their time.
Here are your two differences the Caravel boasted
-had interchangeable sails (lateen sails)
-was made smaller with and had a shallow keel to take advantage of the wind
D. Building extra space in a factory to improve production
True because Physical changes alter only the size, shape, form or matter state of a material. Water boiling, melting ice, tearing paper, freezing water and crushing a can are all examples of physical changes. On the other hand, chemical changes are a bit different. In a chemical change, a new substance is formed.