Answer:
Decreased because the method can not distinguish oxygen from the gas added
Explanation:
Answer:
Deficiency of calcium which means that her body will take calcium from her bones which results in weakening of bones. (osteoporosis)
Explanation:
Hi!
The substance that could be found in air, water or soil that is harmful to humans or animals is called pollutant.
Pollutants are the only harmful substances that can be found in these three places. Carbon Dioxide (CO₂) is commonly found in the air, fossil fuels are found in soil and water and smog is found in the air. Only pollutant can be found in these three places as there are varied in its chemical structure. Common pollutants include Sulfur Dioxide (SO₂) which can be found in the air, and Lead, which can be found in water or soil.
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It's the balance of chemical equation.
