A question what reading are you talking about?
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.
Answer:
Popular sovereignty refers to the
d) People's right to rule

Pushpalal (Mid-Hill) Highway (H18) (Nepali: पुष्पलाल (मध्य-पहाडी) लोकमार्ग (रा.१८)) is an ongoing road project in Nepal, which is thought to be 1,776 kilometres (1,104 mi) long. After completion, it will be the longest national highway of Nepal. Nepal has three geographical regions from east to west, plain land or Terai in south, higher mountains or Himalayas in north and hills in middle region. The highway runs through the mid-hills region only. It starts from easternmost hill at Chiyabhanjyang of Panchthar District (Province No. 1) and ends at westernmost hill at Jhulaghat of Baitadi District in far west (Sudurpashchim Pradesh)
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