What Happened to Earth's First Atmosphere

question 255

Multiple Choice

What happened to Earth's first atmosphere?

• A) It remains part of its present atmosphere, although it has been mixed with nitrogen and oxygen.
• B) It was blown away by an early flare-up of the evolving Sun.
• C) Its molecules were moving too rapidly to be held by Earth's gravitational pull.
• D) It dissolved in the oceans as soon as these were formed.

Grasp the importance and methodology of creating an exposure hierarchy using the SUDS (Subjective Units of Distress Scale).

Identify the potential advantages and disadvantages of using virtual reality in exposure therapy.

Recognize the need for and methods of incorporating relaxation techniques during exposure therapy.

Understand the role of counterconditioning and reciprocal inhibition in exposure therapy.