When light can travel into a material but cannot travel through the material, it is called absorption
Answer:
x=1
Step-by-step explanation:
5x=5x x=1
B and D and C in that order
Answer:

Step-by-step explanation:

Answer:
numbers ABC sign <u>each</u><u> </u><u> </u><u> </u><u>following</u><u> </u><u> </u><u>find</u><u> </u><u>formula</u><u> </u>