2. A wave has a period of 0.360 s and a wavelength of 0.750 m. What is the speed of the wave?​

The earths atmosphere is made up of nitrogen and oxygensolids turning into gases is called sublimation.

Shy diving is the only sport which doesnot require a high level of physical fitness

Year  1936,  lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.