Geologists Use Explosives to Map the Subterranean

question 101

Multiple Choice

Geologists use explosives to map the subterranean.The times for the reflected waves to arrive at a monitoring station can tell a great deal about the composition of the rock structures.Suppose the time it takes for a wave that is reflected from the interface of (1) and (2) is 2 s,and the time for another wave that is reflected between (2) and (3) is 2.5 s and the speed of the wave in layer (1) is 6 km/s and in layer (2) is 4 km/s,how thick is layer (2) ?

• A)2 km
• B)1 km
• C)3 km
• D)6 km
• E)8 km

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Definitions:

Maladaptive Habits

Behaviors that are counterproductive to one's well-being or hinder one's ability to adjust to particular situations.

Psychoanalytic Treatment

A therapeutic process, originating from the theories of Freud, that seeks to uncover and understand unconscious motivations affecting behavior.

Dream Analysis

A psychotherapeutic technique in which the therapist interprets the symbolic meaning of the client’s dreams.

Free Association

A psychoanalytic technique in which a patient speaks freely about their thoughts, feelings, and memories, allowing unconscious material to emerge.