Answer:
In chemistry, a radical is an atom, molecule, or ion that has an unpaired valence electron. With some exceptions, these unpaired electrons make radicals highly chemically reactive. Many radicals spontaneously dimerize. Most organic radicals have short lifetimes. so D
Explanation:
Comparison to other rocks
Well if you memorize the system of scientific names, you won't be misleaded. Some common names are very decieving and there are millions of species out there. So why memorize every single one when you can learn one system to name all of them scientifically
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Explain that testing for him would be of no benefit because of the current test limitations but that his family history does place <span>him a high risk.</span>
