harmful affects of lead are that it causes headache ,cancer and in
last brain damage
appetite lossabdominal painconstipationfatiguesleeplessnessirritabilityheadache
lead compounds are harmful if added to petrol as it cause cancer, poison the catalytic converter (use to convert harmful gases into less harmful gases/harmless, emmision of greenhouse gases and increase the amount of oxides of nitrogen which results in acid rain.
Mainly, I heard that it is harmful for the batteries if you allow them to discharge completely.
Blood contains compounds called buffers. Buffers allow small amounts of acids or bases to be absorbed without harmful effects. Buffers can also resist pH change.
Carcinogens, by definition, create cancers, which often lead to death.
harmful effects of coelenterates
There could be many harmful effects of cell phones, we just don't know for sure of any right now. Some say it can lead to cancer and everything, but for me I'm not so sure.
the harmful and the beneficial effects of advertising?
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.
in petrol we have 2 types.they are 1.leaded petrol 2.unleaded petrol in leaded petrol we have lead compounds so we call it as leaded petrol. in unleaded petrol we do not have lead compounds. the use or advantage of unleaded petrol is it does not emit harmful gases in to the environment. but leaded petrol emits harmful gases. cracking process takes place in unleaded petrol. cracking means it is a process of converting harmful gases into harmless gases. but this cracking process cannot be done in leaded petrol bcoz lead compounds decomposes the catylsts used in cracking process
what harmful effects???????
The harmful effects of CARS to our environment is the carbon monoxide