one is open and the other is closed
it will either be open or closed universe look it up
There is one major difference between an open DNS and a closed DNS. Open DNSs allow multiple users to connect easily while closed ones do not allow more users.
Shoes are closed in and Sandals are open.
Open systems are systems where items are free to enter and exit as they please such as Earth and the universe. Closed systems are contained such as that of a plant organism.
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Public is open, private is closed.
Open populations allow for movement of individuals in and out, leading to changes in population size and composition over time. Closed populations have no movement of individuals in or out, maintaining a constant population size and composition.
Gutters are normally open Sewer piping is closed
Pressure rises in the tube.
an inlet has a closed end a straight is open both ends
The answer is in the question itself. Open-source software has it's source code available to everyone. Closed-source software does not.