Which of the following accurately characterizes the process of melting?

because energy is released, melting is an endothermic process

because energy is absorbed, melting is an endothermic process

because energy is released, melting is an exothermic process

because energy is absorbed, melting is an exothermic process

What can be the use of smoke transformed into liquid?

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum