______Paragraph 4: Describe a fundamental process involved in or responsible for a feedback loop that occurs between two of Earth’s spheres and whether the feedback is positive or negative. Identify the first step (action or process that "gets the ball rolling" and then explain the sequence of events or effects that follows and where they happen (atmosphere, biosphere, hydrosphere, geosphere). Explain if this series of events (feedback loop) is positive and therefore amplifies the change or if it is negative and therefore stabilizes or slows the change. Sentence Starters: _________ a common event that starts a feedback loop. _event___ in the __fill in which sphere leads to ____. Continue with the sequence of effects from the original event. Identify where the effects are happening (which sphere(s) and whether the feedback loop is positive or negative.