Answer:
There are 5 steps of nutrition. They are: INGESTION, DIGESTION, ASSIMILATION, ABSORPTION AND EGESTION. Ingestion: It is the process by which the food is taken into the body of an organism. ... Assimilation: It is the process of utilising absorbed food materials foe energy, growth and devolopment.
The answer is B because "I have visited many cities including the following" indicates that there is going to be a list of cities. A colon is used to introduce a series of items or to separate two independent clauses; however the second sentence has to add on to the first.
During my flight. During is your preposition and flight is the object