manololo rebloggedrbalzan79 in #hive-122108 • last yearThe Doppler effect and sound waves_Part IIFirst of all my respectful greetings to all the Hive.blog community, we continue wimanololo rebloggedlinlove in #hive-163741 • last yearLet's get to know me!Hi everyone, I am new to this platform so I would like to start by introducing myself to you guys. I am Lina, a sweet girl who loves to laugh and discover new things