The microphone made it so people could be heard no matter what message they were trying to communicate. It helped politicians, musicians, and activists express their motives.
Almost all plants benefit humans
they benefit humans by eating chicken breats
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.
humans are animals and they benefit from eating cows. humans also benefit from drinking the milk of cows.
no they are not
We do it, not on purpose, but in trying to machine objects We benefit indirectly by producing products cheeper
yes
For food
Pet therapy!
it helps
they don't