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aniked [119]
2 years ago
9

How fast does a humming birds wing flat per second?

Biology
2 answers:
Artemon [7]2 years ago
6 0

Answer:

10-15 times per second

Explanation:

ruslelena [56]2 years ago
6 0
A humming birds wing flat about 10 to 15 times per second.
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Naddika [18.5K]

Answer:

Jonas Salk

Explanation:

  • The vaccine that is used for the prevention of polio caused due to the infection caused by the poliovirus is known as polio vaccines. 
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  • This vaccine became famous as the Salk polio vaccine which is 60-70% effective against PV1 and 90% against PV2 and PV3. 
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sukhopar [10]
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artcher [175]

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jonny [76]

By means of natural selection.

I think natural could be the word

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3 years ago
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