The speed of light in four different materials is shown below: material speed of light in thousand miles per second

a 140 b 78 c 186 d 124 which statement is correct?

1. material b is the least dense.

2. material c is the most dense.

3. material a is denser than material d.

4. material d is denser than material a.

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consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

a- multicellular

b-eukaryotic

c-no cell wall

d-heterotrophic

e-autotrophic