People used vaccines to reduce the risk of infection by working with body as defenses to help them so this vaccines develop immunity to disease
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Answer:
Crossing Over and Independent assortment
Explanation:
Answer:
The oxygen atoms have electrons more often than hydrogen.
Explanation:
Answer:
For the production of food for animals.
Explanation:
365,000 acres of land were needed for the production of feed for animals in order to produce beef. Feed such as grasses, berseem, shaftal and maize etc are given to animals because these plants has high protein content which is necessary for the production of meat in animals. If proper feed is not provided to animals so they becomes weak and low in meat which will not fulfill the beef need of a country so proper feed is necessary for the production of high amount of beef.