Question 16 Unsaved

Which process melts an ore to separate useful metals from the rest of the elements in the ore?

Question 16 options:

1)

mining

2)

prospecting

3)

sifting

4)

smelting

Explain why it is important that scientists only test one independent variable at a time in an experiment.

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Which of the following correctly organizes these genetic terms in order from smallest to largest? A. chromosome, gene, nucleotide, DNA B. nucleotide, gene, DNA, chromosome C. DNA, nucleotide, gene, chromosome D. DNA, nucleotide, chromosome, gene

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