Jump to Navigation. shadow zone The shadow zone is the area of the earth from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves. The shadow zone results from S waves being stopped entirely by the liquid core and P waves being bent (refracted) by the liquid core.
The two primary sources of the subject-matter jurisdiction of the federal courts are diversity jurisdiction and federal question jurisdiction. Diversity jurisdiction generally permits individuals to bring claims in federal court where the claim exceeds $75,000 and the parties are citizens of different states.
How the On-Court Challenge System Works. 1  Each player/team is allowed a maximum of three incorrect challenges in a normal set after which they are not permitted to challenge again in that set. 2  If a set goes to a tiebreak, this limit of incorrect challenges is increased from three to four for the set. Challenges may not be carried over from one set to another. Each player/team is allowed a maximum of three incorrect challenges in a normal set after which they are not permitted to challenge again in that set.