Answer asa which of the following will result in folded mountains? a) vertical movement of rock from a crack in the crust b) flat-lying sedimentary rock squeezed together when plates collide c) flat field with shield forming from lava flow d) huge masses of magma pushing sedimentary rock upward

An ambulance emits a frequency of 450 hz from its siren. what frequency is heard by a man as the ambulance moves toward him? less than 450 hz more than 450 hz 450 hz 0 hz

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot