Answer:
Health
Explanation: Knowing an individuals breathing rate heart rate and or blood hormone levels could help you find weather or not that person has any heart problems or just health problems in general. Hope this helped :)
Answer:
The answer is a. Annelida
If you use more than one independent variable at a time, and will observe a change, you will not know which variable contributed to a changed result.
A nitrogenous base, or nitrogen-containing base, is an organic molecule with a nitrogen atom that has the chemical properties of a base. The main biological function of a nitrogenous base is to bond nucleic acids together. A nitrogenous base owes its basic properties to the lone pair of electrons of a nitrogen atom.
