an orchid mantis does or does not help mankind. which means that it doesn't help mankind but its not bad for mankind either
entertainig mankind
shelter
There are a lot of things that could be done to help mankind. The invention of airplanes was a great achievement that has changed mankind.
The plant help mankind by purifying the air by absorbing CO2 and releasing O2 during synthesis of organic compounds used by entire animal kingdom including mankind.
Science help mankind to solve problem. Science has many options like biology, computer, physics and health. Science can be studied and scientist are among the best paid.
she suck
made the first flag
nothing
They helped by making wok easier
philarthropy
A cure to HIV