Which of These Factors Creates a Major Problem for Scientists

question 38

Multiple Choice

Which of these factors creates a major problem for scientists studying a particular cycle of glaciation? ​

• A)subsequent glacial advances disrupt sedimentary evidence
• B)glaciers leave no physical evidence behind
• C)human activity interferes with past glacial advances
• D)changes in wind direction
• E)changes in precipitation patterns

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Definitions:

Independent Variable

The variable in an experiment that is manipulated or changed to observe its effect on the dependent variable.

Research Assistant

A person who supports academic or professional research efforts, typically conducting experiments, data collection, or analysis.

Self-reported Arousal

A subjective measure of one's own emotional and physiological state of alertness, excitement, or activation, often collected via questionnaires or interviews.

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Content that graphically depicts sexual acts or nudity, intended to stimulate erotic rather than aesthetic or emotional feelings.