I believe that it happened with profits and economic standerd too
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:
The peoples who most recently inhabited the coast of South Texas were the Coahuiltecans and the Karankawas. Both were groups of interrelated nomadic hunter-gatherer bands that roamed the coast and inland for some distance.
Explanation:
It's <span>a.
antislavery and nativist.
I did this a few months ago</span>
