The Red-belly snake (Storeria occipitomaculata) is a relatively small snake that rarely exceeds 12 inches in length. It is native to North America, Mexico and Central America, and it is NOT venomous.
The electromagnetic frequency of a wave is defined as how many times the peak of this oscillation moves past a point each second. This has a major effect on the properties of the wave, including its energy.
DTMF stands for Dual-Tone Multi-Frequency. This is the technical term for the sounds you hear when you press the keys on your telephone. DTMF does more than just let you know that you pressed a key. Each key has its own sound. Each sound is actually two tones played simultaneously. One of these tones is a low-frequency tone; the other is a high-frequency tone.