Which statements are true?
check all that apply.
a. if heat is added to a substance, the temperature increases unless there is a phase change.
b. as heat is added to a substance, the temperature stays constant or goes down.
c. if heat is added to a substance, the temperature always increases.
d. during a phase change, the temperature of a substance does not change.

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Compare and contrast refraction of light and sound will give brainliest

Connect the whole numbers on the periodic table to indicate what they represent?