they benefit humans by eating chicken breats
Almost all plants benefit humans
We are all people!!!!!!!!!!!!!!!!!!!!!! ----Smokers and non-smokers are very similar, besides the lungs, how powerful the heart is, and part of the brain, other than that, mostly the same.----
Most likely cancer. Also, its not just black people.
Two types of hydrothermal vents are black smokers and white smokers. Black smokers are vents that emit dark plumes of mineral-rich fluids with temperatures exceeding 350°C, while white smokers emit lighter-colored fluids with lower temperatures.
They are gray and black from inhailing the smoke
It will sink into the center of the earth and hekp move the trectonic plates, it is to weak to suck us in, so humans will surviv for trillions of years.
black smokers
It can have sex with its self and have babies and can fertilize its own egg.
Not really. In symbiosis, each partner derives benefit from the partnership. While rats benefit from humans, humans do not benefit from rats.
First of all, there are no healthy smokers. This is probably a case of lung cancer.Black spots are probably signs of it developing.
Arylamines are often tied to bladder cancer especially in smokers.