In the Section "Investigating Life:E

question 30

Multiple Choice

In the section "Investigating Life:E. T. and the Origin of Life," how did the scientists determine if the organic molecules in the meteorite were extraterrestrial?

• A)By identifying a decrease in ¹³C and ¹⁵N in the meteorite compared to terrestrial measurements
• B)By measuring the amount of amino acids in the meteorite
• C)by measuring the amount of nucleotides in the meteorite
• D)By identifying an increase in ¹³C and ¹⁵N in the meteorite compared to terrestrial measurements
• E)By measuring the total amount of carbon and nitrogen in the meteorite

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Definitions:

Budgeted

Pertaining to amounts or figures that have been planned for in a budget, predicting future income and expenditures.

Manufacturing Overhead

All indirect costs associated with manufacturing, excluding direct materials and direct labor costs.

Direct Labor-Hours

The total hours worked by employees directly involved in the production process, used as a basis for allocating labor costs to products.

Raw Materials

Basic materials that are used in the manufacturing process to produce goods and products.