What Is the Main Difference in the Formation of Coal

question 24

Multiple Choice

What is the main difference in the formation of coal vs. the formation of natural gas and oil?

• A) Natural gas and oil formed mainly from deposits of plants and animals living in oceans and coal formed mainly from the remains of plants and animals in swampy anoxic environments.
• B) Coal formed mainly from deposits of plants and animals living in oceans and natural gas and oil formed mainly from the remains of plants and animals in swampy anoxic environments.
• C) Natural gas and oil require intense heat and pressure to form and coal only requires an anoxic environment.
• D) Coal takes several million years to form and natural gas and oil take much less time, roughly several thousand years.

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Definitions:

Holt-Winters

A forecasting method that addresses seasonality by applying exponential smoothing to both the level and the trend of the data.

Qualitative Methods

Research techniques that collect data that is not in numerical form such as interviews, observations, and textual analysis.

Judgmental Forecasting

A forecasting method that relies on intuitive judgments, opinions, and subjective estimates rather than on rigorous mathematical models.