What Are the Two Main Elements Found in All Fossil

question 2

Multiple Choice

What are the two main elements found in all fossil fuels?

• A)phosphorus and sulfur
• B)oxygen and nitrogen
• C)carbon and hydrogen
• D)silicon and aluminum
• E)carbon and oxygen

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Definitions:

Surveys

Questionnaires and interviews that ask people directly about their experiences, attitudes, or opinions.

Sample's Size

The number of individual observations or data points used in a statistical analysis, which can significantly affect the reliability and validity of the study's conclusions.

Respondents' Anonymity

A principle in research and surveys ensuring that the identities of participants are not connected with the information they provide.

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together.