B it’s salmonella and that’s facts
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.
It means that the government is split into two (central and local). The local government (state) helps the central (federal) government make decisions and they govern different parts of the country.
Starts the text and catches the readers attention.
Answer:
If a small bakery invest in two ovens instead of one, it likely can produce twice as much.
Explanation:
just did it.