When sea ice melts, the darker ocean surface that is revealed ...

[clmills979]

When sea ice melts, the darker ocean surface that is revealed absorbs more solar radiation, which in turn causes warming and melts more ice, which in turn creates a greater area of darker ocean surface. What is this process called?
 a. polar amplification
 b. negative feedback loop
 c. tipping point
 d. climatic cycling
 e. polar oscillations

Question 2

The surface of the earth can often be divided into halves also know as hemispheres.
  Indicate whether the statement is true or false

[ktidd]

Answer to Question 1

a

Answer to Question 2

T

[clmills979]

YES! Correct, THANKS for helping me on my review

[mammy1697]

Thanks for the timely response, appreciate it