Yes. Hydrogen gas is highly flammable.
sulphide acid and hydrogen sulfate are harmful materials that can harm a metal.
The real question is "How Can It Not Harm People"
No they dont harm people
no but hey can harm some animals
Luckly, it does not but, it still can harm your skin. It is dangerous if you mix other chemicals in it!
People who harm animals were likely hurt themselves. When people are abused, they look for someone who is weaker than they are to hurt.
NO they don't harm in anyway!
over a long period of time it can harm you
Yes- they can physically move things and harm people.
Most people do not.
how does lions harms people
Radiation will always harm people no matter where they are, as it causes cancer.