Lead.
"Due to insufficient water treatment, lead leached from water pipes into the drinking water, exposing over 100,000 residents to elevated lead levels."
<span>An atom that has gained or lost electrons is called an ion</span>
Did you remind<span> the </span>predicted phenotype ratio<span> and </span>children<span> of </span>dihybrid parents<span> that are </span>both right-handed<span> and </span>posses free ear lobes<span> - 2159873.</span>
The answer would be <span>thunderstorms.
From what i can see from that picture it seems to me that it's filled with a lot of dark clouds. Because of that, it can mean that it's going to rain a lot or cause a thunderstorm. The option"</span><span>heavy rain or snow" it's not right because when it snows, there are no dark clouds.</span>
The unit is the Watt. S.I. unit = W
