The depth of a pond is 1.5m. Calculate the pressure caused by the water at the bottom of the pond.

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.

If y gets smaller as x gets bigger and y have an relationship?

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?