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Social Studies, 18.10.2020 01:01, lay1649
Which observational tool helped astronomers Arno Penzias and Robert Wilson discover the existence of the cosmic microwave background (CMB)?
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Social Studies, 21.06.2019 21:10, JeroMii
In 1990, the average income for an american worker was $1,518 per month. in 2000, the average income for an american worker was $2,632 per month. during this time period, a basket of necessities (food, housing, etc.) increased from $657 per month in 1990 to $1,402 per month in 2000. the real value of income ▼ increased decreased over that 10-year period.
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Which observational tool helped astronomers Arno Penzias and Robert Wilson discover the existence of...
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