It describes how, when particles/mc/elements react, despite forming different substances the mass is neither created nor destroyed but only converted.
The circulatory system picks up nitrogenous wastes from the cells and delivers them to the kidneys. The kidneys remove these wastes from the blood and concentrates them into the urine that is eliminated from the body.
Answer:
6 moles of oxygen, or 3O2.
Explanation:
I would build a proportion for this:

Explanation:
yan po sana makatulong
pa brainliest na din po thanks