I believe the correct answer is Ww
This question was kind of difficult :/
An animal can respond in negative ways such as: biting, scratching, urinating, whining, restlessness, snippy, or getting sick.
Answer:
Glucose
Explanation:
Water is an obvious one. Dissolved in the water are traces of urea. And there are concentrations of sodium. No glucose though.
Scientists classify rocks based on texture, composition, and how the rocks formed.] Rocks are classified by how they formed.