Exposure to small amounts of lead<span> over a long period of time is called chronic toxicity. </span>Lead<span> is particularly </span>dangerous<span> because once it gets into a person's system, it is distributed throughout the body just like helpful minerals such as iron, calcium, and zinc. And </span>lead<span> can cause harm wherever it lands in the body.</span>
Lead exposure can adversely affect nearly every system in the body. And because it often occurs with no obvious symptoms, it frequently goes undiagnosed until it's too late. Children younger than age 6 are especially vulnerable to lead poisoning<span>, which can severely affect mental and physical development.</span>
N = (PV)/RT (T = 88.78 + 273 = 361.78K) (R = 22.4/273 = 0.082) = (5.49 x 22.03)/(0.082 x 361.78) = ? Put it into the calculator. It's hard to do that on a mobile phone.
