Hello There! ^_^
Your question: Too much _______ for children can be toxic, including symptoms of nausea, vomiting, rapid heartbeat, and diarrhea.
Your answer: Too much iron for children can be toxic, including symptoms of nausea, vomiting, rapid heartbeat and diarrhea.
The answer is iron to fill up the black.
Hope this helps! :D
<span>Lavie attempts to resolve this debate by stating that both early and late selection occur varying on the stimulus presented. From the perspective of perceptual loadtheory stimulus variation means whether the stimulus has high or low perceptual load.</span>