Answer:
This is a common idiom.
Explanation:
This idiom refers to the difficulty associated with starting something, but once you get the ball rolling, it seems relatively easy.
They are all considered to be electromagnetic radiation. In this kind of radiation or energy, electric and magnetic fields vary at the same time, creating rates or frequencies that determine the different types of "rays" and how much energy each wave carries -the higher the frequency is, the more energy it bears.
The industrial development of Europe had the greatest impact on environment issues.{correct me if I’m wrong please}
Overuse of antibiotics has resulted in drug-resistant bacteria which can cause serious illness.
I think it's B) Countries formed alliances with each other i'm not 100% sure let me know if it was right or wrong
