What might happen to the continents if the atlantic ocean continues to expand because of movement along this ridge?

Physics make-up packetname_cle14. an observer hears a sound with a frequency of 400 hz. if the speed of sound is 340 m/s,what is the wavelength of the sound? a. 0.85 mb. 1.2 mc. 2.75 m13.6 m15. as sound travels from steel into air, its speed decreases. if the frequency of the wavedoesn't change, what happens to its wavelength? a. it increases(b) it decreasesc. it remains the samed. there is not enough information given

What is the measurement of how fast an object moves relative to a reference point?

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration