I need this asap pls I will mark brainliest!

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.