Ends....................?
Answer:
acids or bases can be tested
by chemical indicators
Answer:
used=Evaporation and sublimation
released=condensation and freezing
Explanation:
Answer:
Middle: Self heating containers are really expensive but are useful because they are easy to use, portable, and can be recycled, unlike a camp stove which is not as easily moved.
Explanation:
i neeed a better image for the first an last boo<3
