Robots are useful for many reasons. In some cases they provide a cheaper alternative to manual labor. In some cases it is much safer to use a robot instead of a living person who might be injured or killed. In some cases robots are used for jobs that few people want to do.
farmer use compost because it helps their plants grow
There are humanoid robots, military robots, insect robots, and space robots. There are more kinds of robots too.
Some yes,some,no. There are uesful and not-so-useful in both sexes. It really depends on your definition of "useful".
it means having uesful with a group people doing something like assembly line
Yes. They are robots.
Medical robots are robots used for medical and health care reasons.
Robots are asexual.
robots with personalities
NO no robots have been to Jupiter
Mini robots.
yes robots are electronics
no because robots are made of metal and machines. they are in fairytales that robots have hearts or movies such as