Question

write true or false :-

1. muscles and bones are attached by means of ligament .

2. earthworm moves in a straight line .

3. when a muscle contracts, it get short and fatter .

4. the toe bones do not have joints .

5. the body and legs of cockroaches have hard covering forming on outer .


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Answer 1

Answer:

T

F

T

F

T

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Corrosion is a natural process that converts a refined metal into a more chemically stable form such as oxide, hydroxide, or sulfide. It is the gradual destruction of materials by chemical and/or electrochemical reaction with their environment.

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Answer 2

Question :

write true or false :-

1. muscles and bones are attached by means of ligament .

2. earthworm moves in a straight line .

3. when a muscle contracts, it get short and fatter .

4. the toe bones do not have joints .

5. the body and legs of cockroaches have hard covering forming on outer .

Answer :

1. muscles and bones are attached by means of ligament .( True )

2. earthworm moves in a straight line . ( False )

3. when a muscle contracts, it get short and fatter .( True )

4. the toe bones do not have joints .( False )

5. the body and legs of cockroaches have hard covering forming on outer .( False )