Question

how is cnservation helpful

Answer 1

Conservation :

the action of conserving something, in particular.

preservation, protection, or restoration of the natural environment, natural ecosystems, vegetation, and wildlife.
synonyms: preservation, protection, safeguarding, safekeeping;
....

Let me ask this, How would cutting your shower time help with your family's water bill?
It would decrease your monthly pay for water, and also conserve it at the same time.

Answer 2

It helps to reduce waste put into the environment. (ex. if you didn't use plastic products, you wouldn't throw them away and they wouldn't go into a landfill somewhere.)