The frequency of a sound wave in water is 15,000 hz, and the sound wave travels through water at a speed of 1,500 m/s. what is the wavelength?

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?

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island