Tendencias heredadas del pasado que se desarrollan en la actualidad con modificaciones técnicas​

What characteristic of long period comets suggest they come directly from the oort cloud?

Why would a programmer use the logical operator and in an if statement? a: when an action is to be taken that requires both conditions to be falseb: when an action is to be taken that requires both conditions to be truec: when an action is to be taken that requires the first condition to be falsed: when an action is to be taken that requires the second condition to be truei took the test and the answer is b.

What are "open-loop" and "closed-loop" systems