Answer:
atoms chemical bonded into an orderly structure
Explanation:
Answer: Mendeleev improve newlands periodic table because he swapped the order of some elements if that fitted their properties better.
Explanation: I hope this helps!... :)
Well I can’t see the rocks but, to determine the relative age of different rocks, geologists start with the assumption that unless something has happened, in a sequence of sedimentary rock layers, the newer rock layers will be on top of older ones.
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Answer:
The three parts of the nucleotide building block of DNA are the sugar, the base and the phosphate.
Explanation:
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