Which Is Not a Method That Geologists Use to Study

question 30

Multiple Choice

Which is not a method that geologists use to study Earth's interior?

• A) They infer the interior composition at deep levels from calculations of Earth's density.
• B) They construct images of the interior using calculations of energy from earthquakes.
• C) They use ultrasound, X-rays, infrared, and SONAR imaging to get three-dimensional images of rocks at depth.
• D) They analyze core samples from drilled boreholes.

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Definitions:

Progressive Tax

A tax system where the tax rate increases as the taxable amount or income increases, placing a larger burden on those who have the ability to pay more.

Federal Income Tax

A charge imposed by the US federal government on the yearly income of persons, companies, trusts, and various legal bodies.

Excise Tax

A tax on the sale or consumption of a specific product or service, often levied at the point of manufacture or sale.

Taxable Income

is the amount of income used to calculate how much tax an individual or a company owes to the government in a given tax year.