11 white TRUE the statement is correct White FALSE if the statement is wrong
13. The light always travels in a straight path
14. The light that strikes a thick cardboard bends and find another way to pass through it
15. Light rays could not be blocked and they could pass through all types of materials since
they travel on a straight line
16. When somebody faces a mirror, his reflection can be seen in reversed manner
17. Feho is the term used for the sound that is reflected back to its source
18. Bats and dolphins used echolocation to locate their food and determine their direction
19. The seafloor is mapped using echolocation
20. Some individual has developed to use echolocation and thus able to see" even if they are
blind




































(Help me,)


















(Discord name Rain_Gregorio#3799)​