Tiny Grains of Zirconium Silicate (Zircons) Found Embedded in Sedimentary

question 5

Multiple Choice

Tiny grains of zirconium silicate (zircons) found embedded in sedimentary rocks have been radiometrically dated to what age?

• A) 4.57 billion years ago
• B) 3.85 billion years ago
• C) 4.38 billion years ago
• D) 4.02 billion years ago

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Definitions:

Fear Response

An immediate alarm reaction triggered by the perception of imminent danger, real or perceived, characterized by physiological changes such as increased heart rate and adrenaline surge.

Dilation of Pupils

The expansion of the pupils of the eyes, which can occur in response to low light conditions or during states of arousal, excitement, or attraction.

Emotional Arousal

A state of heightened physiological and psychological activity including feelings, emotions, and mood changes.

Left Frontal Lobe

A section of the brain associated with linguistic skills, logical reasoning, and control over voluntary movements.