They are known for many things. They are the coldest climate, they have a very low period of reproduction which also implies that it has low biotic diversity, the organisms are usually simple when it comes to vegetation, the land is influenced by heavy frost when forming, and many many more things.
I'll answer what i can
Answer:
Its recommended because it can help fight the flu if you get it
It affects the immune system by training it to target the flu, and gain resistance to it
The best time is during cold, due to the fact that cold helps the virus (heat kills some viruses)
depending on the person depends on whether its effective or not.
<h2><u>Recommended for taking it, i do not know. Sorry for the missing answer.</u></h2>
Its important for the CDC to update it every year because the flu isn't always the same, and can adapt to the shot to where it has no effect.
Https://quizlet.com/50186971/geo105h-exam-1-flash-cards/
The temperature in an autoclave must reach 121° C in order for sterilization to occur.
<h3>Sterilization using autoclaves</h3>
Autoclaves are used to wet-sterilize materials in the laboratory.
In order for the sterilization to be effective, the temperature of the autoclave must reach 121° C.
Also, substances to be sterilized must spend, at least, 30 minutes in the autoclave.
More on autoclaves can be found here: brainly.com/question/6756965
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The answer is "Groundwater"
