Most major geological events such as earthquakes and volcanic eruptions occur at? a. divergent boundaries only b. convergent boundaries only c. transform boundaries only d. all plate boundaries

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

For which pair of objects would adding the same a

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?