Question

5. How many covalent bonds are there in a molecule of ethane (C2H6) and ethene
(C2H4). Explain with the help of diagrams.​

Answer 1

Answer:

The respiratory organ of cockroach is known as tracheae. The trachea is a dense networked array of air tubes in the internal system. These tracheae balance the pressure within the system. Respiration in fish takes with the help of gills.

Answer 2

Answer:

you got the answer

Explanation:

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