Awave travels through a medium. as the wave passes, the particles of the medium vibrate in a direction perpendicular to the direction of the wave’s motion. the wave is a. longitudinal. c. electromagnetic. b. a pulse. d. transverse.

Phase changes are chemical changes. true or false

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.

What causes the formation of ocean currents?