Answer: option B is correct
Explanation:
Technically, they do have a skeleton. The hard shell it has is called an exoskeleton. It works just like our skeleton, in terms of muscles and support. And, it protects from harm, similar to the way our skin protects the inside of our body from dirt and such.
Answer:
Current sensitivity voltage sensitivity of a galvanometer depend is on a number of turns, coil area, restoring force per unit twist and megnetic filed.
