|20/-30° -4/-10°
16/0°
3/45°

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?

What object a collides with object b and bounces back its final momentum is?

Argon, neon, and xenon are examples of