What Was the Reason for Installing a Worldwide Network of Seismometers

question 69

Multiple Choice

What was the reason for installing a worldwide network of seismometers in the 1950s and 1960s?

• A) to save human lives by predicting volcanic eruptions and earthquakes
• B) to study plate tectonic theory
• C) to monitor underground nuclear bomb testing
• D) to study mine blasts

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Definitions:

Net Sales

The total revenue from sales of goods or services, minus returns, allowances, and discounts.