Answer:
Elements that are the border line of metals and non-metals.some elements near the stepped line have mixed properties of metals and non-metals these elements are called metalloid e.g. Silicon and Germanium
Explanation:
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the extra chromosome is "y"
a shows the moons position at the last quarter
Complete question, Answer, and Explanation:
Due to technical problems, you will find the complete question, answer, and explanation in the attached files.
