Biology, asked by harry140, 1 year ago

start biology question s

harry140: why do animals form swarms??

Answers

Answered by ashmitkumar2

start what's your questions...

harry140: why do animals form swarms

ashmitkumar2: sry i don't know

ashmitkumar2: give another question

harry140: why do you need to get flu shot every year?

ashmitkumar2: in which class this question related to.

harry140: answer the question bro

Answered by Niyathi738

What is ur question????...

harry140: why do you need to get a flu shot every year?

Niyathi738: Because flu viruses evolve so quickly, last year's vaccine may not protect youfrom this year's viruses. Aftervaccination, your immune system produces antibodies that will protectyou from the vaccine viruses. In general, though, antibody levels start to decline over time — another reason to get a flu shot every year.

harry140: good

Niyathi738: hmm :)

harry140: why is it so hard to cure the cancer??

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