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You call a plane with two set of wings a Biplane.A plane with one set of wings is called a monoplane.A plane with three set of wings is called a triplane.
biplanes
Biplanes
a bi-planeA plane with two set of wings is a biplane.
There are two sets of wings on a biplane. There is an upper and a lower wing set.
All bees have two sets of wings, a set of what is called "forewings" and a set of what is called "hind wings". The hind pair is smaller, in some species of bees the hind wings are so much smaller that they impair the ability of the bee to fly at all.
they are air and pollution
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Like all insects, they have 2 pairs of wings.
The two wings are called the hind wings and the fore wings
A biplane has two (bi) sets of wings, and a monoplane has one (mono) set of wings. The two sets of wings on a biplane add lift, and also drag, allowing it to fly slower. The one set of wings on a monoplane do not add as much lift or drag, making it faster, and as a result, all the fastest planes are monoplanes, and most planes these days are monoplanes.
A grasshopper has thick leathery wings that cover transparent wings.