Possible answers:
A). Warm air;
B). Sunlight;
C). heat;
D). stream;
E). rain;
F). Wind;
G). Time;
H). rivers;
Given those answer options, answer the question: Fact 1: Wind causes erosion. Fact 2: Erosion is the physical removal of rock particles. Given the two facts above, what causes the removal of rock particles?
A:
F).