A.10%
B.20%
C.30%
D.None of these
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- White-collar work force is categorized as:
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- About ____ of the meteorologists and atmospheric scientists in the United States work in the field of weather forecasting ?
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- What is the capital of the United States of America ?
- Who was the first president of the United States of America ?
- The first oil well was drilled in the United States in ________________.
- Which is oldest university of United States of America??
- Most of the natural gas used in the United States is consumed by __________?
- What is the leading source of energy used in the United States today?