I think the correct answer is the third option. Particulates are solid or liquid particles that settle after being dispersed in a gas. They are also termed as particle pollution or PM. It is a mixture of very small particles and liquid droplets which includes acids of nitrates and sulfates, organic substance, metals and dust particles.
Answer: Diameter = 7 inches
Area of circle is 38.46 inches²
Explanation: The diameter is the radius x 2 3.5 x 2 = 7 inches
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Answer:
Rn
Explanation:
Rn is the symbol for radon with the atomic number of 86
Answer:
I think it's replacement because the B and D just swap places in the end equation
