CsF que elemento es A) hidruro
B) hidrácidos
C) sales binarias,
D) óxidos metálicos
E) óxidos no metálicos.

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )

i think its c if i'm wrong