Phenotype.
The phenotype is the physical expression of genetic traits (the genotype). So what you can see on an organism is the phenotype while the genes responsible for the physical appearance is the genotype.
<em>The other animals realize that Napoleon can be trusted. </em>
Squealer uses political propaganda to justify Napoleon's power. Napoleon will become more powerful after Squaler's words. Their aim is to convince the other animals that Snowball is not a loyal animal but that Napoleon is really loyal. Then, Napoleon will become extremely corrupt and authoritarian and new crises will happen.
The correct answer is B). Description.
<em>MacGregor mainly engages the reader through the use of a DESCRIPTION</em>.
The author is describing to detail the chronometer and what it produces in the 19th century. This description engages the reader to be more interested in the topic. The description goes on with the example of the Great Western Railway of 1840 and the application of standard time.
A description is a statement where someone gives the characteristics of something or a person, detailing aspects of the individual or the situation.