Why do vaccine makers have to guess which flu strains will be active months before the flu season begins?

‘low in fat but high in deliciousness, by munching on a savage wild boar you aren’t depriving poor little peppa and george of a long-lost cousin, but rather reaffirming your rightful and god-given position at the top of the food chain.’ the above extract features which four kinds of bias? innuendo/opinion of fact/biased tone/mistreatment of opposing views/ subjective sourse/ subjective vocabulary/ exaggeration/ 0subjective statistics

The pizza delivery boy was neither early nor late he was right on time. question 12 options: (a)correct as it is (b)the pizza delivery boy was neither early nor late, he was right on time. (c)the pizza delivery boy was neither early nor late; and he was right on time. (d)the pizza delivery boy was neither early nor late: he was right on time.

What is the first step in summarizing a plot? restating central ideas and key details eliminating minor or unimportant details connecting ideas with logical transitions identifying important words and phrase