Chickens are extremely useful. Chickens, and their eggs, are an important food source for people.
yes
all animals are usefull !
Some foods may be harmful.
chicken is useful for meat and in
lion are useful and harmful
It is not harmful. Also it is not useful
The changes talking place in our surroundings and which are useful to us are called Useful changes. The changes which are not useful but harmful are called Harmful changes
useful
i think its both harmful and useful
Someuseful animals are dogs, cats, and bats. Some harmful animals are bears, lions, tigers and some insects.I think snakes, spiders and other venomous creatures are harmful, but also useful in research for anti-venom.no there is no scary animals there crazy people.
Ozone at ground level is harmful. It is useful in stratosphere as it protects us from harmful UV rays.
It is useful because we can breathe it.