Question

answer the question please my point is 100 please ​

Answer 1

Explanation:

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Answer 2

Answer:

4)

1. vaccines prevent disease that can be dangerous or even deadly. Vaccines greatly reduce the risk of infection by working with the body's natural defence to safelydeveloped immunity to disease.
2. Birds migrate from one place to another due to change in weather is some Birds cannot survive in Harsh winter.
3. Drip irrigation is the best method in areas Where water is not much available. It will give water to plants at their roots and water will not Waste this help the plant to Healthy growth of plant and water also will not waste.

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