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nataly862011 [7]
3 years ago
15

When is a mineral considered to be an ore

Biology
1 answer:
kipiarov [429]3 years ago
7 0
A mineral is considered to be an ore when it has sufficient value to be mined.
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kakasveta [241]

Answer:

A

Explanation:

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The correct answer is B. It has made tetanus a rare disease in the United States. As with other vaccination programs, Tetanus vaccine has had a high success rate in preventing the disease among vaccinated people. Reinforcing the value of vaccines in preventing serious disease.

3 0
1 year ago
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