11. Which of the following shows why some objects don’t form shadows? I. It is because some objects is transparent II. It is because some objects does not block the light III. It is because some objects is made from opaque materials
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
12. Which of the following statements shows scientific basis on the things to do during eclipses? I. During eclipse a big disaster will happen. II. The moon produced shadow to the earth. III. Focusing our eyes to solar eclipse is prohibited.
A. I and II only
B. I and III only
C. II and III only
D. I, II and III​