HEALP PLEASE Infer why doctors recommend people, especially elderly and those with weak immune systems, get the flu vaccine every year.
(1 point)
O They should get the flu vaccine because viruses mutate.
O They should get the flu vaccine because viruses do not mutate.
They should get the flu vaccine because their bodies already have a resistance.
O They should get the flu vaccine because their bodies do not build up resistance.

hi here is your answer if it is wrong then sry

Explanation:

Flu vaccination is especially important for people 65 years and older because they are at high risk of developing serious complications from flu. Flu vaccines are updated each season as needed to keep up with changing viruses.

[ answer ]

foliated

[ explanation ]

foliation forms in a rock when pressure squeezes the rock together. the rock then has a design of many different color little lines. there are three types of foliated rock. the types are slate, schist, and gneiss. each type of foliated rock is different based on grain size and foliation characteristics. the lines appear when the rock has been under pressure.

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cuz he is really really short, assuming an unorthodox and inherently unlucky configuration of elevator buttons…

explanation: