Asound waves frequency is 4 hz and its wavelength is 8 meters. what is the waves speed

32 m/s

Explanation:

Frequency is the number of waves that pass a particular point in 1 second

Wavelength is the distance between 2 crests or 2 troughs

Speed = frequency x wavelength

Substituting the values

Speed = 4 Hz x 8 m

Speed = 32 m/s

Waves speed is 32 m/s

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.