Match the disadvantages to the correct conservation methods.

building national parks

recycling resources

using wind energy

threat to birds



lack of protection against external threats



fewer collection centers



>building national parks

lack of protection against external threats

>recycling resources

fewer collection centers

>using wind energy

threat to birds

The disadvantages to the conservation methods are as follows.

Building national parks for the conservation of animals lacks protection against the external threats like human interference.

Recycling resources have few collection centers so the garbage needs to be disposed at proper centers that collects the products to be recycled.

Using wind energy needs wind energy plant and windmill that can be threat to birds as they can get hurt by the windmill.