How do mountains affect the climate of a region?

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.

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

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.