plant
Sound has a max speed in which it travels, I believe it has a min speed as well and the amplitude is the variation between the min and the max?
The disturbances in waves are the ones that push the waves. This can be defined as a variation or oscillation that travels though a medium from one point to another.
060km,10hour,80km an hour
a temporary interruption of the body's biological clock, experienced when someone travels across time zones, by airplane. This includes fatigue and irritability
Because light travels faster than sound
when jet air craft travels at high altitudes, the air gets condensed due to variation in atmospheric pressure as well low temperature.
Water molecules travel through the plasma membrane, tonoplast membrane. In biological systems, the solvent is typically water.
light travels on its sources by energy transformations ;for example match=fire=heat=light=smoke or burnted candle wax
radiation
he travels light
Sound, some earthquake waves.
Numbers. Quantitative observance? This car travels at # miles per hour.