Answer:
The periodic table of elements arranges all of the known chemical elements using this method. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order is usually according with the increasment (Is this a word?) of the atomic mass.
Explanation:
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67 million years ago in the form of phyollths (small sllica flecks in grass that make it difficult to digest)
Answer:
Please put this question in English and I would then love to help you. Thanks.
