Science, asked by karankalsunita8, 4 months ago

6. Explain the differences.
a. Arteries and veins.
b. External and internal respiration.

Answers

Answered by Anonymous

0

Explanation:

A magnetic rod is required when constructing a compass. ... For example, a magnetised rod can be created by repeatedly rubbing an iron rod with a magnetic lodestone. This magnetised rod (or magnetic needle) is then placed on a low friction surface to allow it to freely pivot to align itself with the magnetic field.

Answered by Anonymous

0

Explanation:

A magnetic rod is required when constructing a compass. ... For example, a magnetised rod can be created by repeatedly rubbing an iron rod with a magnetic lodestone. This magnetised rod (or magnetic needle) is then placed on a low friction surface to allow it to freely pivot to align itself with the magnetic field.

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