Today they will practice measuring different liquids. They will use a container called a graduated cylinder to measure liquids. Graduated cylinders have numbers on the side that help you determine the volume. Volume is measured in units called liters or fractions of liters called milliliters (ml).
The differences are the freezing and boiling points being exactly 180 degrees
C is your answer. Because if you add two of them together you get a compound.
That both of them are warm....at a certain temputurature causing one to fell,cozy
Sorry I came a lil late,
The answer to your question is, 2.
Hope this helps! :)