Here are some nicknames for generation Z (1997-present) “Zoomers iGeneration, Gen Tech, Gen Wii, Net Gen, Digital Natives, Plurals”
It takes to much energy and there's a lot of dirt
In 1968, Brezhnev ordered the soviet army and troops of other eastern European nations to crush a liberal communist regime in : B. Czechoslovakia
He ordered about 500,000 troops to invade Czechoslovakian Borders using the Blitzkrieg approach
hope this helps
Answer: 500 velocity
Explanation: Wave velocity (m/s) =Wavelength (m) * Frequency (Hz) Example calculation. I found this by using calculation of wavelength times frequency and the answer will be your velocity.