how are birds able to fly and who wants 2 be my friend??

A big part of the reason birds are able to fly is because their wings create airfoils that can split the air.

Explanation:

We also find airfoils in the shape of tiny wings on bugs or huge wings on airplanes. ... The shape of the whole wing, and even some of the individual feathers, helps make it possible for the bird to fly.

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step by step Explanation:

Physical features

Wings. The shape of a bird’s wing is important for producing lift. ...

Gliding. When a bird is gliding, it doesn’t have to do any work. ...

Soaring. Soaring flight is a special kind of glide in which the bird flies in a rising air current (called a thermal).

Flapping. ...

Obtaining thrust. ...

Different flight abilities. ...

answer; ///i believe the correct answer is (aids) acquired immune deficiency syndrome;

there are mainly three domains in biological classification namely; archaea, bacteria, and eukarya.

archaea includes all the prokaryotic cells which are characterized by their lipid membranes. they have branched hydrocarbon which is attached to glycerol through an ether linkage.

bacteria includes all the prokaryotic cells, the cell membrane of which are made up of the unbranched fatty acid chain. in addition, they are attached to glycerol through an ester bond.

eukarya includes all the eukaryotic cells, that is, the cells contain a nucleus and other membrane-bound cell organelles.

they can be autotrophic as well as heterotrophic, unicellular as well as multicellular

they include kingdoms like protista, plantae, animalia, fungi et cetera.

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explanation: