Answer:
water
Explanation:
, water is called the "universal solvent" because it dissolves more substances than any other liquid. This is important to every living thing on earth. It means that wherever water goes, either through the ground or through our bodies, it takes along valuable chemicals, minerals, and nutrients.
You should test your hypothesis.
<span>a. a substance that is naturally found in the brain</span>
Glucose level increase, insulin is secreted.
glucose level decrease, glucagon is secreted
