Answer and Explanation:
Nondisjunction occurs when homologous chromosomes fail to segregate during anaphase I or sister chromatids fail to segregate during anaphase II. The result is an addition or loss of one or more chromosomes. Nondisjunction is associated with disorders like Down's syndrome due to an extra chromosome, Klinefelter's syndrome or Turner's syndrome. These phenomenon where one has three members of homologous chromosome is called trisomy.
The answer would be B. The author was worried he/she might not enjoy camp.
He/She wasn't impatient because it said she "dreaded" it so that rules out A.
He/She wasn't welcoming the opportunity, because again, the word "dreaded" was used.
He/She wasn't excited because "dreaded" does not imply excitement.
It wouldn't flourish because there are no more decomposers. With no decomposition there cannot be a food chain because it all depends on that specific part of the link. You see, the plant population would die. Due to the lack of fungus(decomposers)
I suppose it is the density, having more pockets of air in between the granules of sawdust. Air has oxygen. What does a fire need to strive? Oxygen.