Look for information on how to find out whether a snake is harmful.

All the snakes are not poisonous. The water snakes are generally without poison but most of the desert snakes are poisonous. Information about a poisonous snake can only be known when its poison effects the body. The poison reach on us and effected our nervous system.

For more answers visit to website:
https://www.tiwariacademy.com/ncert-solutions/class-9/english/beehive-chapter-9/