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What else can I help you with?
Where is friction usefull?
Warming your hands. Denver Simmons
How air is usefull to us?
by giving us oxygen for breathing.
How are Cadbury chocolates usefull to us?
They taste good
How is silicon usefull to us?
Made into computer chips.
Are people usefull?
We are together we help one another. We are all friends, we can live happy, no stress comes to us. So we are usefull
Why is oil usefull for us?
it powers stuff like cars
Why stars is usefull to us?
I'll answer it if you answer "why is school usefull for us" JK umm well they teach us about space. Also they all make the gravitational pull perfect it they move it would be werid i think sorry if not a good answer :)
Is cutting of trees are also usefull for us?
i think its a need of poor people
Is this site usefull?
yes this site is usefull :)
How is friction usefull?
Walking requires friction. Cars and bikes could not move without a frictional force between their wheels and the road. If you wrap a rope around a pole several times, you can use friction to your advantage (eg. suspension of a large mass). There are other reasons but I'm not going to go into any more detail.
How is oceangraphy usefull to the world?
it lets us see the study of aquatic animals in the fullest nipple
Why is the periodic table usefull?
It tells us al the elements that make up everything in the world.
