It’s B. “It was doubled...”
Hope this helps... ^^
Active transport refers to a substance moving from areas in which it has low concentration to an area with high concentration, one example i guess is endocytosis, "<span>the taking in of matter by a living cell by invagination of its membrane to form a vacuole"</span>
I believe it's A, but I could be wrong. I apologize if I am so. I will do further research and get back to you
The development of electronic delivery systems advancements in the music industry has preserved resources and reduced waste.
Option C
<h3><u>Explanation:</u></h3>
Music industry is the industry that deals with the production of new music that are soothing to hear, recording them, spreading them in public and so on. This industry is an age old industry which used to record music in different ways in past. Most of them were not that efficient to capture the individual tunes of the music and moreover they used the resources very inefficiently.
With the advent of modern day electronic delivery systems, the mics came into market, as well as different electronic media like pendrive, CD's, tape recorders, and even internet through which music can be spread among public very easily.