What Would Be the Most Convincing Evidence That an Extraterrestrial

question 12

Multiple Choice

What would be the most convincing evidence that an extraterrestrial event had led to a climatic change that resulted in extinction of a group of organisms?

• A) Evidence that climate change was gradual,taking place over the course of a few thousand years
• B) An increase in oxygen levels during the event
• C) A decrease in oxygen levels during the event
• D) High iridium concentrations found in a thin layer separating rocks from before and after the event
• E) High sulfur concentrations found in a thin layer separating rocks from before and after the event

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Definitions:

Positives

Refers to the aspects or qualities considered to be favorable, good, or beneficial in a situation or entity.

Reduced Price

A lowered cost or value of an item or service, typically to encourage purchase or due to decreased demand.

Cognitive Miser

A term used to describe people’s reluctance to do much extra thinking.

Carefully Thinks

A cognitive process involving deliberate and thorough consideration of various aspects of a situation or problem.