Sagot :
Answer:
B-Mass
Explanation:
What is ppm in mass?
This is an abbreviation for "parts per million" and it also can be expressed as milligrams per liter (mg/L). This measurement is the mass of a chemical or contaminate per unit volume of water. Seeing ppm or mg/L on a lab report means the same thing.
Answer:
B po
Explanation:
im sure po teacher po ate ko parehas po ng grade tinuturuan nya