The hollow bones of birds,which keep birds lightweight for flying, is an example of an???

1 answer:

8 0

An "adaptation." It's the natural way that birds of flight adapt to their needs or environment which makes them more efficient. :)

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When metals, non metals,and metallics are composed according to luster, which is best description of the appearance of metalloid

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Metalloids are metallic-looking brittle solids that are either semiconductors or exist in semiconducting forms, and have amphoteric or weakly acidic oxides. Typical nonmetals have a dull, coloured or colourless appearance; are brittle when solid; are poor conductors of heat and electricity; and have acidic oxides.

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Along with subduction, what other process changes sedimentary rocks to metamorphic rocks?

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