Que ocurre con las moléculas de un líquido cuando aumenta la temperatura?

d. the weight of the book

we would need to see the picture to answer it

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.