As a driver, you should always watch for bicycles and motorcycles when changing lanes or making turns because they are small and quick. They are usually also quiet.
Because they are hard to see.
Motorcycles and bicycles can be harder to keep track of than cars are, because they are smaller vehicles which do not always drive in a lane as cars do, but sometimes squeeze themselves in between lanes. So they can show up where you don't expect them. And when you are changing lanes or turning, they may not be able to predict what you are doing either, and therefore may not get our of your way.
Dependson if you're asking about a bicycle or a motorcycle. Bicycles were invented first, and the very early ones didin't have any steering. Motorcycles came along later, at which time bicycles had been equipped with steering, so motorcycles have always had that rather useful feature.
Train, bus, metro, trams, cabs, cars, motorcycles, scooters and bicycles. For short distances we almost always take the bicycle.
Bicycles are often - but not always - made of metal because its strong enough, light enough and cheap enough.
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The main part of china that uses bicycles is turkey (i am always right)
Because it's considered to make the bike look "cute", which is imagined to appeal to the girls.
because it can always explode right there and then
No, motorcycles do not have an automatic right of way. Licensed motorcyclists are subject to the same laws as regular drivers.
the publishing process for online material is not always rigorous.
There are a few automatics out there which use a centrifugal type clutch which is always in gear depending on engine rpm's. For the most part motorcycles are manual transmissions.