The answer is D.
Factor production that could be changed during particular period is called Variable Factor of Productions.
Basically, factor of productions is divided to fixed and variable factor.
FIxed factors are the one that will always stay the same no matter how many products you made. For example electricity cost, building rent, etc
The variable factors differ depend on how product you produce, such as raw material.
<span>Rising action</span>
Janet is stuck in the rising action stage of her
script. This refers to the stage that follows the introduction or exposition
stage and comes before the climax or the highest point in the play. It consists
of a series of actions or events that build up or prepares the audience to the
climax. It is the part where the character has made several mistakes or met some
challenges, and is about to make the greatest decision in the story.
Answer:
العرب محاط بمياه البحر والعرب في الغالب حلوى.
بسبب إنتاج الأسماك أقل من ذلك بكثير
The answer is Mansa Musa.
Hope this is helpful. :)