Although most dams are built with the intention of creating hydro-electric power, which is a cheap and effective way of generating power without burning fossil fuels, or using nuclear power, they do often entail a major change in the local habitat, including moving complete villages or settlements.
In one instance, when a large dam was built in Egypt, they had to move a series of statues that had stood on place since the times of Rameses.
Dams may also kill fish or stop them from migrating to where they were born.
yes the internet can be more harmful than helpful for the few simple facts of obesity, cyber stalking, child pornography, ect.
how can Technology be harmful? Explain in 500 words
No
You can say technology is beneficial when it does something good. You can say technology is harmful when it does something bad.
No expert here on this subject, but probably to kill harmful germs such as amoebae, and remove harmful minerals such as lime and excess calcium.
If you need help I recommend you type in the specific question you need help with
it can be helpful or harmful
they arent
sometimes they are helpful and harmful.
Bacteria can be both harmful and helpful
Sandpaper is both helpful and harmful.
they are helpful not harmful to plants
harmful
helpful
Helpful
helpful
Depends on what part of "harmful" or "helpful" you are referring to.