Answer:
Statement that is true about electromagnetic and mechanical waves is:
Option B: Mechanical waves must travel through a medium, but electromagnetic waves do not require a medium to travel.
Explanation:
'Electromagnetic' waves do not need any medium to travel whereas 'mechanical waves' need a medium or matter for transmission. Electromagnetic waves are produced by the 'vibrations' of the charged particles. They can even travel in vacuum.
On the contrary, mechanical waves are caused by the 'wave amplitude'. Mechanical wave can travel in solid, liquid and gas and are considered to be periodic disturbance.
Thus, Option B is the most statement apt explaining the difference between electromagnetic and mechanical waves.
Answer: aide
Explanation:
Social service aide also known as social service assistants are individuals with a job role of assisting in providing client services in a various capacity of field such as rehabilitation, social work, psychology assisting families, and also assist clients in recognizing and realizing the benefits of social and community services.
This is the career path Errol has chosen to start with.
Rulers were passed from father to son. They expanded the farming so there was more food, so rulers could support many soldiers. The soldiers attacked neighboring villages and the dynasty grew
Answer:
Has people who have been laid off and can't pay their bills enter its doors everyday
Explanation:
Push Global Ministries, is a Christian religious and progressive organization with the sole mission of empowering men, women another youth in today's society. Push Ministries contributes to this goal by welcoming the unemployed and rendering possible assistance.