Scientists Use Proxy Records in Climate Research to Determine_____________

question 18

Multiple Choice

Scientists use proxy records in climate research to determine_____________ .

• A)climates hundreds and thousands of years ago
• B)changes in the ozone layer over the past 30 years
• C)current levels of carbon dioxide
• D)changes in temperature over the past 100 years

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Definitions:

Mixed Cost

Expenses that contain both fixed and variable components, changing with the level of output or activity.

High-low Method

A technique used in managerial accounting to estimate variable and fixed cost components of a cost formula, using the highest and lowest levels of activity.

Electrical Cost

Expenses associated with the consumption of electricity by a company, home, or another facility, impacting operational budgets.

Fixed Portion

The part of a cost or expense that remains constant regardless of changes in the level of activity or volume of production.