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PIMSO 2023 - Science - Senior Secondary - National Round Question 23

PIMSO Science · PIMSO 2023 - Science - Senior Secondary - National Round

Question 23

The South Atlantic Anomaly (SAA) is the present-day weak spot in the Earth's magnetic field. What is the implication of the SAA? Reference: Finlay CC, Kloss C, Olsen N, Hammer MD, Tøffner-Clausen L, Grayver A, Kuvshinov A. Earth, Planets and Space. 2020 Dec;72(1):1-31.

Question illustration
  1. Organisms are exposed to higher doses of cosmic radiation in the SAA.
  2. Plants are exposed to higher amounts of sunlight in the SAA.
  3. Thunderstorms form more frequently within the SAA.
  4. Radio wave signals are disrupted within the SAA
  5. Satellites experience glitches when passing through the SAA.