it is the noun form of complement
or c
Lava is seen to have a "glittering"effect due to its natural composition: literally minerals. Depending on the rock that has been melted into this mixture, lava or magma can have varying effects applied to it's appearance, density, and the temperature it cools at.
The answer is C, some activities clearly have more value than others
Yes, the context influences meaning, so it's true.
