Answer:
They consist mainly of iron-nickel metal with small amounts of sulphide and carbide minerals. During the decay of radioactive elements in the early history of the solar system, many asteroids melted and the iron they contained, being dense, sank to the centre to form a metallic core.
Explanation:
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<span>air = a mixture of nitrogen, oxygen and some other bits
(pure) CO = carbon monoxide, a compound
pure water = H2O, a compound.</span>
The cytoplasm that is in prokaryotic cells, is a gel like but also fluid substance, which all all the cellular components are suspended. the eukaryotic cells are very similar to this, but eukaritoic cells dont contain organelles.
The answer is D.) all cell are composed of a membrane...
On the Galapagos Islands, Darwin also saw several different types of finch, a different species on each island. ... Finches that ate small nuts and seeds had beaks for cracking nuts and seeds. Darwin noticed that fruit-eating finches had parrot-like beaks, and that finches that ate insects had narrow, prying beaks.
