u could either win a trip 2 disneyland or go to the eifil tower
Some mutations can be deadly, harmful, or have no effect. Correct, not all mutations are harmful. Some mutations could even have a positive effect and help the creature adapt.
It could be mildly harmful to the baby.
If it isn't an inguinal hernia it could just be a growth. This does not mean it harmful, it could be a begin growth that will have no effect on your health.
The word could be toxic, or in its effect deleterious or harmful.
The opposite of harmful would be helpful. You could also say beneficial or fortunate.
You could put on sun screen. It should block UV-B radiation.
Severely damaged ozone could be a loss. It will cause the all harmful UV to enter and destroy.
A hole in the ozone layer would have a very adverse effect. The effect could be devastating.
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It would have effect on ecosystems because it could have dieses that other animals have never encountered before. It would have effect on it because it its new.
Hardness in groundwater could simply be treated by Heating the water to a considerable temperature. Chlorination and Distillation could also be applied to groundwater hardness treatment.
You could do something like that, but it would be very harmful to your body.