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Explanation:
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A little trick i learnt: The atomic number reflects how many electrons there are, and there must be an equal charge. therefore, there are the same amount of protons as there are electrons. so if it has 81 protons, we look for number 81 in the periodic table, Thallium
<span>Selective breeding is the process of breeding plants and animals for particular traits.</span>
The dark brown color of a penny is most likely oxidation, which occurs when the copper in the penny comes in contact with oxygen.<span> </span>
Answer:
C
Explanation:
A toboggan is a simple sled traditionally used by children. It is well adapted to sliding down open slopes, where its large surface rides easily on loose, fluffy snow.
