Logging in (or registering) will help the system to select questions that you need to focus on.

E3C02

What is indicated by a rising A or K index?

Select	Answer
A	An increase in the critical frequency
B	Increasing disruption of the geomagnetic field
C	Decreasing disruption of the geomagnetic field
D	Higher levels of solar UV radiation

---

Hamboozler: Copyright 2007 Four Batons Technology. All rights reserved.
By continuing to use this site, you are agreeing to the Privacy Policy and Terms of Service.
Contact Us