All matter whether solid, liquid, gas has a chemical formula or elemental symbol.
Filtration may work, there are many types of filters capable of filtering specific types if compounds.
1. CAUG 2. UUAGGC 3. ACAUCG 4. CGAACAU
I believe the answer is Planet Nine.
The nervous system is sending nerve receptors to your brain so that your arm the muscular system will throw the ball the skeletal system allows yourself to hold the ball and works with the muscles to contract and the amp system allows your body to create energy so you can throw the ball