Question

7.(05.02 MC)

The speed of light in four different materials is shown below:
Material Speed of light in thousand miles per second
A
140
B
78
С
186
D
12
Which material is the most dense? (4 points)
Material A
Material B
Material C
Material D

Answer 1

Answer: B or A

Explanation: Everyone is saying C and i just took the test and it is not C

Answer 2

C

Step-by-step explanation:

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