they harm the plants
it is harmful at one side and useful at the other side.
cause sleeping sickness
it is useful because it can aware all the peoples to now about it and also to protect or environment to such harmful effects
Useful effects of electrolytes include maintaining proper hydration and fluid balance, supporting nerve and muscle function, and regulating blood pressure. Harmful effects can occur if there is an imbalance of electrolytes, leading to symptoms such as muscle cramps, weakness, irregular heartbeat, and confusion.
lion are useful and harmful
It is not harmful. Also it is not useful
The changes talking place in our surroundings and which are useful to us are called Useful changes. The changes which are not useful but harmful are called Harmful changes
Generally indigestion tablets are not harmful but useful. But excess of use or some other health problems of some individuals can lead to harmful effects. See the link below.
useful
no useful effects
harmful effects of coelenterates
Paramecium aurelia can be harmful as it competes with other organisms for resources in aquatic ecosystems, potentially affecting biodiversity. However, they can also be useful as bioindicators for water quality, helping to assess environmental health and pollutant levels.