9. Which of the following statement is True about umbra and penumbra?
I. Umbra and penumbra are the two types of shadows.
II. Umbra ad penumbra are the two types of eclipse.
HI. Umbra is the darker inner area, while penumbra is the lighter outer area.
IV. Umbra is the lighter inner area, while penumbra is the darker outer area.
A. I and II only
B. III and IV only
C.I and IV only
D. I and Ill only
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Answer:
D. po ang tamang sagot
Explanation: