Harmful:
Winds can destroy structures.
Helpful:
Winds can power windmills.
they are helpful not harmful to plants
If it is harmful it will not survive long
Wind is harmful because it can destroy a building and blow someone away at the right speed. On the other hand, it's helpful as it provides us with a source of energy.
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yes they kill more harmless insects than harmful ones.
Helpful. They eat other smaller animals that overpopulate the jungle. So, in that way, yesss :)
mushrooms are helpful because they break down dead organisms and are "clean-up" the environment.
it can be helpful or harmful
sometimes they are helpful and harmful.
wind can help power our homes with electricity. It is good, because we are using an environmental-friendly source of electricity.
Sandpaper is both helpful and harmful.
The wind is an important and constructive part of the environment even though it may Cary things that are harmful without it most of the life on earth would not be able to go on.