This is true. Urea carries the bloodstream to your kidneys which then transport waste along with water to form urine.
Answer:
They form crystals.
They have higher enthalpies of fusion and vaporization than molecular compounds.
They are hard.
They are brittle.
Explanation:
A: Taxon.
The terms order and class both refer to 2 specific levels that are a part of Linnaeus' classification systems.
