Answer:
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Explanation:
Answer:
1- gram of oxygen, 2- 3.01x1023 atoms of oxygen, 3- 1 molecule of oxygen, 4- 1mole of oxygen, 5- 1atom of oxygen.
<span>Mendeleev realized that the physical and chemical properties of elements were related to their atomic mass in a 'periodic' way, and arranged them so that groups of elements with similar properties fell into vertical columns in his table.
</span>Mendeleev rewrote each edition of Principles of Chemistry<span>, including all new scientific data-particularly confirmations of the periodic law-and reanalyzing difficulties that had arisen to hinder its confirmation (inert gases, radioactivity, radioactive and </span>rare-earth elements<span>)
</span>he wanted to prove that he was right.
Answer:
Bycatch can negatively affect species such as dolphins, sea turtles, protected fish, and whales by harming animals, contributing to population declines, and impeding population recovery. Other impacts of fisheries on marine mammals may include removal of their preferred prey and sometimes habitat damage.
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A component or constituent of a whole or one of the parts into which a whole may be resolved by analysis
