What is negative feedback? Initial change enhances change in climate Initial cha

Question

What is negative feedback? Initial change enhances change in climate Initial change stabilizes change in climate There is no change in climate None of the above is correct. Which of the following is true about the melting of Arctic sea ice? It is a positive feedback mechanism Ice is more reflective than water As ice melts, ocean absorbs more radiation and in turn more ice melts All of the above are correct. Where do we get climate record information from the pre-instrument era? Bedrock Deep-sea and lake sediment cores Pollen All of the above are correct.

Explanation / Answer

17) answer : b

Negative feedback is one which reduces the initial climate conditions

18) answer : d

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