Letra a obrigadoaijahahavqvqgqgqg
Answer:
Yes the valency of oxygen is 2
When water evaporates of your body it cools you down, hence why after a shower when the water droplets begin to evaporate you feel cold
Answer:
Wavelength = 9.68 meters
Explanation:
Given the following data;
Speed = 300,000,000m/s
Frequency = 31 Megahertz to Hertz = 31 * 10⁶ Hz
To find the wavelength;
Wavelength = speed/frequency
Wavelength = 300,000,000/31,000,000
Wavelength = 9.68 meters
