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PIMSO 2021 - Science - Grade 5 - National Round Mock Test Question 28

PIMSO Science · PIMSO 2021 - Science - Grade 5 - National Round Mock Test

Question 28

Which of the following reasons caused orbital decay, a process of prolonged decrease in the altitude of the orbit of a satellite?
I. Gravitational pull
II. Tides
III. Atmospheric drag

A. I, II, and III
B. I and II only
C. II and III only
D. I and III only

Editorial response format: Explain your reasoning and any limitation in the original choices.