It was used for fishing
Red pands are not useful to mankind
giraffes useful to mankind ?
probably yes
it is not its made of dangerous gas
Yes Texas does have waterfall's. One of them is Gorman falls, and here is a useful website to help u :D http:/www.what-where.info/tx_waterfalls-guide.htm#Waterfalls by Location
renewable resources are helpful to mankind because we can reuse it but we have to use it wisley that is why it is helpful to mankind
oceans are useful for many waysthey have moderating effect on the climate of the coastal regions
Caves, waterfalls, seashores, and scenic views are among the uncountable things of beauty or interest that have not been created by mankind.
plateaus are very useful because they are rich in mineral deposits. In plateau areas, there may be several waterfalls as several waterfalls as the river falls from great height. The lava plateaus are rich in black soil good for cultivation. many plateaus are great attraction to tourists.
Because they are evidence of evolution!
It is both, and both to a very great degree.
When it snows in certain countries of the world the government sprinkles salt over the snow so that the melting point of the snow decreases melting it more quickly.This is one example where impurities are useful to mankind