Answer:
Longitudinal Waves and Transverse Waves Mechanical waves are categorized by their type of motion and fall into any of two categories: transverse or longitudinal. Note that both transverse and longitudinal waves can be periodic and Like transverse waves, longitudinal waves do not displace mass. The difference is that each particle which makes up the medium through which a longitudinal wave propagates oscillates along the axis of propagation. ... Matter in the medium is periodically displaced by a sound wave, and thus oscillates.
Explanation:
Answer:
Dialling by pulling round the telephone dial with a finger in the hole above the number or letter. All numbers had to be dialled or connected through the operator. The saving of numbers electronically was decades away. Most people kept note books of numbers that they often wanted to dial.
Today, mobile phones are an important part of our lives. When losing them or leaving them behind we use expressions such as ‘it feels like I’m missing a part of me’. We miss out on the world, the constant connection through texting and Social Media.
Over the years the mobile phone has evolved and continues to grow from the ‘brick’ that was the Nokia into Android and Apple that we can’t live without today.
Say what you think. Some people, like my mother, hate vaccines because some of them can have long-term side effects, while some side-effects can even be unkown.
I personally support vaccines because I'd rather have long-tern side effects from a vaccine than from an illness.
The answer is tone.
Words the author uses that are not offical words will describe their tone.
Hope it helps.
The person's life is based on their environment
