A substance whose shape can easily change is a

Which statement correctly describes the relationship between frequency and wavelength?

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 component of earth’s atmosphere exists entirely as a result of photosynthesis?