Answer:
Metals, most elements are metals. Metals are found to the left of the zigzag line on the periodic table.
Explanation:
<u>Copper....................</u>
Answer:
In simple words, Representative surveys are valuable because they mean that the questionnaire contains all different categories of individuals and also that the correct blend of individuals is questioned. Your results will be skewed if your study isn't representative. The poll's inconsistency was due to an unbalanced, non-representative sample.
35% of 40 is 14
51 is 85% of 60
