Magpies can be seen as both helpful and harmful, depending on the context. On one hand, they are beneficial for the ecosystem as they help control insect populations and scavenge for food, contributing to nutrient cycling. On the other hand, they can be aggressive, particularly during nesting season, and are known to raid the nests of other birds. Ultimately, their impact varies by region and situation.
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it can be helpful or harmful
sometimes they are helpful and harmful.
Sandpaper is both helpful and harmful.
they are helpful not harmful to plants
helpful
helpful
Depends on what part of "harmful" or "helpful" you are referring to.
Harmful bacteria will harm you. Helpful bacteria will help you.
Slash and burn does not sound helpful, it sounds harmful.
helpful
Helpful.