Look at the graph below. which elements together make up seven percent of the earth’s crust? calcium and iron calcium and sodium potassium and magnesium potassium and sodium

Calcium and Sodium

Explanation:

answer

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explanation:

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.