Sagot :
Answer:
1. B
2. Two
Explanation:
Periscopes need two mirrors, which reflects the image twice and makes it a true image, not a mirror image. (source:G00GLE)
Answer:
1. B
2. Two
Explanation:
Periscopes need two mirrors, which reflects the image twice and makes it a true image, not a mirror image. (source:G00GLE)