Question

What is Vaccination?
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How is it possible?
Please give steps and multiple thanks!
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Answer 1

The water on the surface of the oceans is constantly flowing in one direction from one place to another. These flowing movements of water in oceans are called ocean currents...

. They are caused by differences in the temperature and salinity of water, by wind, solar heating and gravity

Answer 2

Answer:

Vaccination is a simple, safe and effective way of protecting People against harmful disease, before they come into contact with them.

Explanation:

HOPE IT HELP'S........