¿Que es el mantenimiento y cuántos tipos existen?​

Ahorse is how much percent more powerful than a pony

Selective incapacitation is a strategy to reduce prison population

Which is a false statement considering copyright law? a. when people upload something to the internet they automatically receive a copyright for the work b. the work does not have to contain a copyright notice to be considered having a copyright c. copyright is legal term describing rights given to the creators for literary and artistic works d. personal pictures are always covered by copyrights