Question

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☆Define quantum mechanics? ​

Answer 1

Answer:

4, Globes and Maps

Que 4 How can we locate direction on a map?

Ans- Directions are located on a map with respect to the north . The north is always shown with the help of an arrow called the north line. The the tip of the north line is marked with the letter N which means north. South is to the opposite of the north. When we face the map , East is to the right hand side and waste is to the left hand side of the map.

5 What are the advantages of Mariners compass ?

Ans- The advantages of Mariners compass is that it's needle always point towards the north-south direction and thus help to find the north direction and subsequently find the other directions.

Answer 2

Answer:

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Explanation:

Meristematic cells are mainly concerned with cell division. Their primary function is mitosis. They do not have any waste material to store so vacuoles are usually absent in the meristematic cells.