Approximately How Old Are the Oldest Rocks Found on Earth

question 67

Multiple Choice

Approximately how old are the oldest rocks found on Earth?

• A)14 billion years old
• B)10.5 billion years old
• C)7.0 billion years old
• D)4.4 billion years old

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Definitions:

Classical Conditioning

A systematic method of pairing two stimuli repeatedly for learning; initially, the response comes from the second stimulus but ultimately comes from the first stimulus alone.

Violently Ill

Experiencing severe and intense symptoms of illness, often with rapid onset and significant discomfort or distress.

Spaghetti

A type of pasta originated from Italy, typically made from durum wheat and water, and known for its long, thin, cylindrical shape.

Unconditioned Stimulus

is a stimulus that naturally and automatically triggers a response without the need for prior learning.