Which best describes the projectile motion of the marble as it leaves the table at the two different speeds? the marble’s horizontal and vertical velocities change. the marble’s horizontal and vertical velocities remain the same. the marble’s vertical velocity changes, but its horizontal velocity does not. the marble’s horizontal velocity changes, but its vertical velocity does not.

Iwill give brainliest if you answer right : )

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line