Answer:
If you got a flu shot this year, next year you'll need it again.
Explanation:
This is because the virus changes, usually rendering the previous year's vaccine partly or totally useless. hope this helps you :)
Answer:
The parameters of the area when organizing the population of the biosphere is called a specie.
The next eclipse in the Saros cycle will be at 22nd of August 2017.
<h3>What is an eclipse?</h3>
Eclipse is an astronomical phenomenon marked by the total or partial darkening of a star due to the passage of some celestial body in front of a light source. There are two categories of eclipse: the solar eclipse and the lunar eclipse.
With that being said it is possible to notice that all eclipses are happening with an interval of 18 years. So as the last eclipse was in 1999, the next one will be in 2017. As for the day, it is possible to notice that they are happening 11 days after the last one. So as the last one was in 11th of August, the next one will be in 22nd of August.
See more about astronomy at: brainly.com/question/14375304
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