5. Why does the phase change graph have two horizontal lines? A. These are times in the experiment when scientists stopped heating the substance
B. The horizontal lines show when substances is getting hotter.
c. Temperature does not increase during phase change.
D. This is a scientific error

no i don't feel that humans have oversubscribed some medications

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.

idk what happened..you tell