Guys I need primary sources for NHD for my topic: "Border patrol 1924" I already tried primary source finders but cant find anything please give me at least 3 primary sources? I want a valid answer

What weather system might be occurring if the pressure gradient decreases and fish harvests in peru are weaker than normal

The ratio of the measures of the three angles in a triangle is 14: 15: 11 find the measures of the angles

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies? a. it's a region that exhibits a weak gravitational pull, thus maintaining a safe distance from the sun. b. it's an area that doesn't experience any major weather events that could cause mass extinctions. c. it's an area that's an optimal distance from the sun for potentially supporting life. d. it's a region that's unaffected by asteroid or meteor impacts.